20112130113231 has 16 divisors (see below), whose sum is σ = 29040291020160. Its totient is φ = 12307551900000.

The previous prime is 20112130113193. The next prime is 20112130113319. The reversal of 20112130113231 is 13231103121102.

It is not a de Polignac number, because 20112130113231 - 2⁶ = 20112130113167 is a prime.

It is a super-4 number, since 4×20112130113231⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20112130113198 and 20112130113207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112130113431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440483645 + ... + 1440497606.

It is an arithmetic number, because the mean of its divisors is an integer number (1815018188760).

Almost surely, 2^{20112130113231} is an apocalyptic number.

20112130113231 is a deficient number, since it is larger than the sum of its proper divisors (8928160906929).

20112130113231 is a wasteful number, since it uses less digits than its factorization.

20112130113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880981446.

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

Adding to 20112130113231 its reverse (13231103121102), we get a palindrome (33343233234333).

The spelling of 20112130113231 in words is "twenty trillion, one hundred twelve billion, one hundred thirty million, one hundred thirteen thousand, two hundred thirty-one".