22112101320231 has 48 divisors (see below), whose sum is σ = 32503729292384. Its totient is φ = 13291596834048.

The previous prime is 22112101320229. The next prime is 22112101320299. The reversal of 22112101320231 is 13202310121122.

It is not a de Polignac number, because 22112101320231 - 2¹ = 22112101320229 is a prime.

It is a super-2 number, since 2×22112101320231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112101320198 and 22112101320207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112101325231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20795445 + ... + 21832881.

Almost surely, 2^{22112101320231} is an apocalyptic number.

22112101320231 is a deficient number, since it is larger than the sum of its proper divisors (10391627972153).

22112101320231 is a wasteful number, since it uses less digits than its factorization.

22112101320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037728 (or 1037669 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22112101320231 its reverse (13202310121122), we get a palindrome (35314411441353).

The spelling of 22112101320231 in words is "twenty-two trillion, one hundred twelve billion, one hundred one million, three hundred twenty thousand, two hundred thirty-one".