202110102111020 has 12 divisors (see below), whose sum is σ = 424431214433184. Its totient is φ = 80844040844400.

The previous prime is 202110102110977. The next prime is 202110102111037. The reversal of 202110102111020 is 20111201011202.

It is a junction number, because it is equal to n+sod(n) for n = 202110102110986 and 202110102111004.

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, 5052752552756 + ... + 5052752552795.

It is an arithmetic number, because the mean of its divisors is an integer number (35369267869432).

Almost surely, 2^{202110102111020} is an apocalyptic number.

202110102111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202110102111020 is an abundant number, since it is smaller than the sum of its proper divisors (222321112322164).

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

202110102111020 is a wasteful number, since it uses less digits than its factorization.

202110102111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105505105560 (or 10105505105558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202110102111020 its reverse (20111201011202), we get a palindrome (222221303122222).

The spelling of 202110102111020 in words is "two hundred two trillion, one hundred ten billion, one hundred two million, one hundred eleven thousand, twenty".