22131000222120 has 96 divisors (see below), whose sum is σ = 73144831312800. Its totient is φ = 5801572934016.

The previous prime is 22131000222113. The next prime is 22131000222203. The reversal of 22131000222120 is 2122200013122.

22131000222120 is a `hidden beast` number, since 221 + 3 + 100 + 0 + 222 + 120 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 22131000222093 and 22131000222102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 520953342 + ... + 520995821.

It is an arithmetic number, because the mean of its divisors is an integer number (761925326175).

Almost surely, 2^{22131000222120} is an apocalyptic number.

22131000222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131000222120 is an abundant number, since it is smaller than the sum of its proper divisors (51013831090680).

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

22131000222120 is a wasteful number, since it uses less digits than its factorization.

22131000222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041949239 (or 1041949232 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22131000222120 its reverse (2122200013122), we get a palindrome (24253200235242).

The spelling of 22131000222120 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred twenty-two thousand, one hundred twenty".