22021112120 has 32 divisors (see below), whose sum is σ = 56625717600. Its totient is φ = 7550095488.

The previous prime is 22021112117. The next prime is 22021112153. The reversal of 22021112120 is 2121112022.

It is a super-2 number, since 2×22021112120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22021112095 and 22021112104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39323135 + ... + 39323694.

It is an arithmetic number, because the mean of its divisors is an integer number (1769553675).

Almost surely, 2^22021112120 is an apocalyptic number.

22021112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021112120 is an abundant number, since it is smaller than the sum of its proper divisors (34604605480).

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

22021112120 is a wasteful number, since it uses less digits than its factorization.

22021112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78646847 (or 78646843 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22021112120 its reverse (2121112022), we get a palindrome (24142224142).

The spelling of 22021112120 in words is "twenty-two billion, twenty-one million, one hundred twelve thousand, one hundred twenty".