120211001020100 has 36 divisors (see below), whose sum is σ = 260868894704964. Its totient is φ = 48082368612480.

The previous prime is 120211001020093. The next prime is 120211001020111. The reversal of 120211001020100 is 1020100112021.

It can be written as a sum of positive squares in 6 ways, for example, as 24242801995204 + 95968199024896 = 4923698^2 + 9796336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23017907 + ... + 27753306.

It is an arithmetic number, because the mean of its divisors is an integer number (7246358186249).

Almost surely, 2^{120211001020100} is an apocalyptic number.

120211001020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211001020100 is an abundant number, since it is smaller than the sum of its proper divisors (140657893684864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120211001020100 is a wasteful number, since it uses less digits than its factorization.

120211001020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50794904 (or 50794897 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120211001020100 its reverse (1020100112021), we get a palindrome (121231101132121).

The spelling of 120211001020100 in words is "one hundred twenty trillion, two hundred eleven billion, one million, twenty thousand, one hundred".