22113201031131 has 64 divisors (see below), whose sum is σ = 37558591488000. Its totient is φ = 11266175402496.

The previous prime is 22113201031109. The next prime is 22113201031223. The reversal of 22113201031131 is 13113010231122.

It is not a de Polignac number, because 22113201031131 - 2¹⁷ = 22113200900059 is a prime.

It is a super-2 number, since 2×22113201031131² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22113201031098 and 22113201031107.

It is not an unprimeable number, because it can be changed into a prime (22113201036131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119281396 + ... + 119466638.

It is an arithmetic number, because the mean of its divisors is an integer number (586852992000).

Almost surely, 2^{22113201031131} is an apocalyptic number.

22113201031131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22113201031131 is a deficient number, since it is larger than the sum of its proper divisors (15445390456869).

22113201031131 is a wasteful number, since it uses less digits than its factorization.

22113201031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202888.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 22113201031131 its reverse (13113010231122), we get a palindrome (35226211262253).

The spelling of 22113201031131 in words is "twenty-two trillion, one hundred thirteen billion, two hundred one million, thirty-one thousand, one hundred thirty-one".