22051123131 has 32 divisors (see below), whose sum is σ = 30687351552. Its totient is φ = 14072123520.

The previous prime is 22051123123. The next prime is 22051123169. The reversal of 22051123131 is 13132115022.

It is not a de Polignac number, because 22051123131 - 2³ = 22051123123 is a prime.

It is a super-2 number, since 2×22051123131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22051123098 and 22051123107.

It is not an unprimeable number, because it can be changed into a prime (22051123121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10739901 + ... + 10741953.

It is an arithmetic number, because the mean of its divisors is an integer number (958979736).

Almost surely, 2^22051123131 is an apocalyptic number.

22051123131 is a deficient number, since it is larger than the sum of its proper divisors (8636228421).

22051123131 is a wasteful number, since it uses less digits than its factorization.

22051123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 22051123131 its reverse (13132115022), we get a palindrome (35183238153).

The spelling of 22051123131 in words is "twenty-two billion, fifty-one million, one hundred twenty-three thousand, one hundred thirty-one".