22101122131 has 4 divisors (see below), whose sum is σ = 24110315064. Its totient is φ = 20091929200.

The previous prime is 22101122117. The next prime is 22101122137. The reversal of 22101122131 is 13122110122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22101122131 - 2¹⁵ = 22101089363 is a prime.

It is a super-2 number, since 2×22101122131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22101122137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004596450 + ... + 1004596471.

It is an arithmetic number, because the mean of its divisors is an integer number (6027578766).

Almost surely, 2^22101122131 is an apocalyptic number.

22101122131 is a deficient number, since it is larger than the sum of its proper divisors (2009192933).

22101122131 is a wasteful number, since it uses less digits than its factorization.

22101122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009192932.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22101122131 its reverse (13122110122), we get a palindrome (35223232253).

The spelling of 22101122131 in words is "twenty-two billion, one hundred one million, one hundred twenty-two thousand, one hundred thirty-one".