22125111532051 has 16 divisors (see below), whose sum is σ = 24650582826240. Its totient is φ = 19687134644320.

The previous prime is 22125111532021. The next prime is 22125111532109. The reversal of 22125111532051 is 15023511152122.

It is not a de Polignac number, because 22125111532051 - 2²³ = 22125103143443 is a prime.

It is a super-2 number, since 2×22125111532051² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22125111532021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45042655 + ... + 45531208.

It is an arithmetic number, because the mean of its divisors is an integer number (1540661426640).

Almost surely, 2^{22125111532051} is an apocalyptic number.

22125111532051 is a deficient number, since it is larger than the sum of its proper divisors (2525471294189).

22125111532051 is a wasteful number, since it uses less digits than its factorization.

22125111532051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90574346.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 22125111532051 its reverse (15023511152122), we get a palindrome (37148622684173).

The spelling of 22125111532051 in words is "twenty-two trillion, one hundred twenty-five billion, one hundred eleven million, five hundred thirty-two thousand, fifty-one".