231033330012121 has 32 divisors (see below), whose sum is σ = 292003671859200. Its totient is φ = 177939736752960.

The previous prime is 231033330012103. The next prime is 231033330012151. The reversal of 231033330012121 is 121210033330132.

It is not a de Polignac number, because 231033330012121 - 2¹⁹ = 231033329487833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231033330012101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225806911 + ... + 226827748.

It is an arithmetic number, because the mean of its divisors is an integer number (9125114745600).

Almost surely, 2^{231033330012121} is an apocalyptic number.

It is an amenable number.

231033330012121 is a deficient number, since it is larger than the sum of its proper divisors (60970341847079).

231033330012121 is a wasteful number, since it uses less digits than its factorization.

231033330012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452634829.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 231033330012121 its reverse (121210033330132), we get a palindrome (352243363342253).

The spelling of 231033330012121 in words is "two hundred thirty-one trillion, thirty-three billion, three hundred thirty million, twelve thousand, one hundred twenty-one".