202100111111112 has 32 divisors (see below), whose sum is σ = 513533069220480. Its totient is φ = 66262331511360.

The previous prime is 202100111111099. The next prime is 202100111111131. The reversal of 202100111111112 is 211111111001202.

It is a super-2 number, since 2×202100111111112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202100111111091 and 202100111111100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69023260528 + ... + 69023263455.

It is an arithmetic number, because the mean of its divisors is an integer number (16047908413140).

Almost surely, 2^{202100111111112} is an apocalyptic number.

It is an amenable number.

202100111111112 is an abundant number, since it is smaller than the sum of its proper divisors (311432958109368).

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

202100111111112 is a wasteful number, since it uses less digits than its factorization.

202100111111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138046524053 (or 138046524049 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 202100111111112 its reverse (211111111001202), we get a palindrome (413211222112314).

The spelling of 202100111111112 in words is "two hundred two trillion, one hundred billion, one hundred eleven million, one hundred eleven thousand, one hundred twelve".