Hemigoogolplex

A **hemigoogolplex** is equal to 105x1099. It is equal to one followed by 5 duotrigintillion zeros. It is 5 duotrigintillion 1 digits long.

Writing down the full decimal expansion would take 2 untrigintillion books of 400 pages, with 2,500 digits on each page (except for the first, which would have 2,501).

## Names in -illion systems

In the short scale of the Conway-Wechlser system, it is called

one hundred millisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentillisesexagintasescentilliquinsexagintasescentillion

According to Landon Curt Noll's The English name of a number, it is also called

one hundred milliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliamilliasescensexsexaginmilliamilliamilliamilliasescensexsexaginmilliamilliamilliasescensexsexaginmilliamilliasescensexsexaginmilliasescenquinsexagintillion