22021130131 has 96 divisors (see below), whose sum is σ = 31963921920. Its totient is φ = 14994745920.

The previous prime is 22021130129. The next prime is 22021130233. The reversal of 22021130131 is 13103112022.

It is not a de Polignac number, because 22021130131 - 2¹ = 22021130129 is a prime.

It is a super-2 number, since 2×22021130131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22021130111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16108410 + ... + 16109776.

It is an arithmetic number, because the mean of its divisors is an integer number (332957520).

Almost surely, 2^22021130131 is an apocalyptic number.

22021130131 is a deficient number, since it is larger than the sum of its proper divisors (9942791789).

22021130131 is a wasteful number, since it uses less digits than its factorization.

22021130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22021130131 its reverse (13103112022), we get a palindrome (35124242153).

The spelling of 22021130131 in words is "twenty-two billion, twenty-one million, one hundred thirty thousand, one hundred thirty-one".