Googol

A googol is the large number 10100. In trezenal notation, it is written as the digit 1 followed by 100 zeroes: 10,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

Etymology
The term was coined in B49 by 9-year-old Milton Sirotta (B40-B95), nephew of U.S. mathematician Edward Kasner. Kasner popularized the concept in his B63 book Mathematics and the Imagination. Other names for googol include treh trequdragintillion on the short scale, treh duovigintillion on the long scale, or treh untrezillion on the super-long scale.