11312110203121 has 16 divisors (see below), whose sum is σ = 13983394566400. Its totient is φ = 8911157001408.

The previous prime is 11312110203113. The next prime is 11312110203127. The reversal of 11312110203121 is 12130201121311.

It is a cyclic number.

It is not a de Polignac number, because 11312110203121 - 2³ = 11312110203113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11312110203127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271395981 + ... + 271437658.

It is an arithmetic number, because the mean of its divisors is an integer number (873962160400).

Almost surely, 2^{11312110203121} is an apocalyptic number.

It is an amenable number.

11312110203121 is a deficient number, since it is larger than the sum of its proper divisors (2671284363279).

11312110203121 is a wasteful number, since it uses less digits than its factorization.

11312110203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542833888.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11312110203121 its reverse (12130201121311), we get a palindrome (23442311324432).

The spelling of 11312110203121 in words is "eleven trillion, three hundred twelve billion, one hundred ten million, two hundred three thousand, one hundred twenty-one".