22112113131 has 20 divisors (see below), whose sum is σ = 33073742152. Its totient is φ = 14722635168.

The previous prime is 22112113103. The next prime is 22112113139. The reversal of 22112113131 is 13131121122.

It is not a de Polignac number, because 22112113131 - 2⁵ = 22112113099 is a prime.

It is a super-2 number, since 2×22112113131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112113139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 109690 + ... + 237183.

Almost surely, 2^22112113131 is an apocalyptic number.

22112113131 is a deficient number, since it is larger than the sum of its proper divisors (10961629021).

22112113131 is an equidigital number, since it uses as much as digits as its factorization.

22112113131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347672 (or 347663 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

Adding to 22112113131 its reverse (13131121122), we get a palindrome (35243234253).

The spelling of 22112113131 in words is "twenty-two billion, one hundred twelve million, one hundred thirteen thousand, one hundred thirty-one".