22122021112110 has 48 divisors (see below), whose sum is σ = 57558076552080. Its totient is φ = 5895018792960.

The previous prime is 22122021112097. The next prime is 22122021112117. The reversal of 22122021112110 is 1121112022122.

22122021112110 is a `hidden beast` number, since 2 + 21 + 220 + 211 + 1 + 211 + 0 = 666.

It is a super-2 number, since 2×22122021112110² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122021112117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87098256 + ... + 87351875.

It is an arithmetic number, because the mean of its divisors is an integer number (1199126594835).

Almost surely, 2^{22122021112110} is an apocalyptic number.

22122021112110 is an abundant number, since it is smaller than the sum of its proper divisors (35436055439970).

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

22122021112110 is a wasteful number, since it uses less digits than its factorization.

22122021112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174451553 (or 174451550 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22122021112110 its reverse (1121112022122), we get a palindrome (23243133134232).

The spelling of 22122021112110 in words is "twenty-two trillion, one hundred twenty-two billion, twenty-one million, one hundred twelve thousand, one hundred ten".