20112332112231 has 48 divisors (see below), whose sum is σ = 28784232212736. Its totient is φ = 12487719112704.

The previous prime is 20112332112157. The next prime is 20112332112247. The reversal of 20112332112231 is 13221123321102.

It is not a de Polignac number, because 20112332112231 - 2²¹ = 20112330015079 is a prime.

It is a super-2 number, since 2×20112332112231² (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 (20112332112251) 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 47 ways as a sum of consecutive naturals, for example, 969398800 + ... + 969419546.

It is an arithmetic number, because the mean of its divisors is an integer number (599671504432).

Almost surely, 2^{20112332112231} is an apocalyptic number.

20112332112231 is a deficient number, since it is larger than the sum of its proper divisors (8671900100505).

20112332112231 is a wasteful number, since it uses less digits than its factorization.

20112332112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32408 (or 32391 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 20112332112231 its reverse (13221123321102), we get a palindrome (33333455433333).

The spelling of 20112332112231 in words is "twenty trillion, one hundred twelve billion, three hundred thirty-two million, one hundred twelve thousand, two hundred thirty-one".