202102111112120 has 16 divisors (see below), whose sum is σ = 454729750002360. Its totient is φ = 80840844444832.

The previous prime is 202102111112093. The next prime is 202102111112171. The reversal of 202102111112120 is 21211111201202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526276388862 + ... + 2526276388941.

Almost surely, 2^{202102111112120} is an apocalyptic number.

202102111112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202102111112120 is an abundant number, since it is smaller than the sum of its proper divisors (252627638890240).

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

202102111112120 is a wasteful number, since it uses less digits than its factorization.

202102111112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052552777814 (or 5052552777810 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202102111112120 its reverse (21211111201202), we get a palindrome (223313222313322).

The spelling of 202102111112120 in words is "two hundred two trillion, one hundred two billion, one hundred eleven million, one hundred twelve thousand, one hundred twenty".