The number $~$10^{10^{100}}$~$ is named "a googolplex." That is, a googolplex is the number represented (in Decimal notation) as a 1 followed by a A googol zeroes, i.e., $~$10^{googol}$~$, which is $~$ 10^{10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000}.$~$