22010111112231 has 64 divisors (see below), whose sum is σ = 36078789934080. Its totient is φ = 13149437616000.

The previous prime is 22010111112221. The next prime is 22010111112233. The reversal of 22010111112231 is 13221111101022.

It is a happy number.

22010111112231 is a `hidden beast` number, since 220 + 101 + 1 + 1 + 112 + 231 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-22010111112231 is a prime.

It is a super-2 number, since 2×22010111112231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010111112233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134305561 + ... + 134469341.

It is an arithmetic number, because the mean of its divisors is an integer number (563731092720).

Almost surely, 2^{22010111112231} is an apocalyptic number.

22010111112231 is a deficient number, since it is larger than the sum of its proper divisors (14068678821849).

22010111112231 is a wasteful number, since it uses less digits than its factorization.

22010111112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170245 (or 170239 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 22010111112231 its reverse (13221111101022), we get a palindrome (35231222213253).

The spelling of 22010111112231 in words is "twenty-two trillion, ten billion, one hundred eleven million, one hundred twelve thousand, two hundred thirty-one".