22101310231 has 32 divisors (see below), whose sum is σ = 29688841728. Its totient is φ = 15889357440.

The previous prime is 22101310199. The next prime is 22101310247. The reversal of 22101310231 is 13201310122.

It is not a de Polignac number, because 22101310231 - 2⁵ = 22101310199 is a prime.

It is a super-2 number, since 2×22101310231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101316231) 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 31 ways as a sum of consecutive naturals, for example, 2801865 + ... + 2809741.

It is an arithmetic number, because the mean of its divisors is an integer number (927776304).

Almost surely, 2^22101310231 is an apocalyptic number.

22101310231 is a deficient number, since it is larger than the sum of its proper divisors (7587531497).

22101310231 is a wasteful number, since it uses less digits than its factorization.

22101310231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10711.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22101310231 its reverse (13201310122), we get a palindrome (35302620353).

The spelling of 22101310231 in words is "twenty-two billion, one hundred one million, three hundred ten thousand, two hundred thirty-one".