If 100 million were printed out, it would be around 25 miles long. That's about the distance from New York City to Philadelphia. If it were put on a piece of paper, it would be about 1.5 meters high and 1.5 meters wide. That's around the size of a regulation-size basketball court.
If you stacked 100 million into stacks of $100 bills, it would reach an estimated height of 25 miles high. If it were put on a piece of paper, it would be 2 meters high and 2 meters wide. That's about the size of a small room.