22112021120 has 64 divisors (see below), whose sum is σ = 60413212800. Its totient is φ = 7581262848.

The previous prime is 22112021081. The next prime is 22112021161. The reversal of 22112021120 is 2112021122.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×22112021120² (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 = 22112021095 and 22112021104.

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, 2463380 + ... + 2472339.

It is an arithmetic number, because the mean of its divisors is an integer number (943956450).

Almost surely, 2^22112021120 is an apocalyptic number.

22112021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112021120 is an abundant number, since it is smaller than the sum of its proper divisors (38301191680).

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

22112021120 is an equidigital number, since it uses as much as digits as its factorization.

22112021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935745 (or 4935733 counting only the distinct ones).

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

Adding to 22112021120 its reverse (2112021122), we get a palindrome (24224042242).

The spelling of 22112021120 in words is "twenty-two billion, one hundred twelve million, twenty-one thousand, one hundred twenty".