Sextillion

A sextillion is equal to 1021 or 1,000,000,000,000,000,000,000.

Scale

 * The Earth weighs 5.98 sextillion metric tons.
 * There are about 6 sextillion cups of water on Earth.
 * The volume of the Earth is ~1.085 sextillion cubic meters.
 * The distance between the 2 ends of the universe is 87.9 sextillion miles.