231112120302121 has 8 divisors (see below), whose sum is σ = 232414651598400. Its totient is φ = 229809715696560.

The previous prime is 231112120302109. The next prime is 231112120302179. The reversal of 231112120302121 is 121203021211132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231112120302121 - 2¹⁵ = 231112120269353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231112120302092 and 231112120302101.

It is not an unprimeable number, because it can be changed into a prime (231112120302821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28012765 + ... + 35312026.

It is an arithmetic number, because the mean of its divisors is an integer number (29051831449800).

Almost surely, 2^{231112120302121} is an apocalyptic number.

It is an amenable number.

231112120302121 is a deficient number, since it is larger than the sum of its proper divisors (1302531296279).

231112120302121 is a wasteful number, since it uses less digits than its factorization.

231112120302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63345359.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 231112120302121 its reverse (121203021211132), we get a palindrome (352315141513253).

The spelling of 231112120302121 in words is "two hundred thirty-one trillion, one hundred twelve billion, one hundred twenty million, three hundred two thousand, one hundred twenty-one".