231322101121 has 4 divisors (see below), whose sum is σ = 236701684912. Its totient is φ = 225942517332.

The previous prime is 231322101083. The next prime is 231322101137. The reversal of 231322101121 is 121101223132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231322101121 - 2¹⁵ = 231322068353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231322161121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2689791831 + ... + 2689791916.

It is an arithmetic number, because the mean of its divisors is an integer number (59175421228).

Almost surely, 2^231322101121 is an apocalyptic number.

It is an amenable number.

231322101121 is a deficient number, since it is larger than the sum of its proper divisors (5379583791).

231322101121 is an equidigital number, since it uses as much as digits as its factorization.

231322101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379583790.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 231322101121 its reverse (121101223132), we get a palindrome (352423324253).

The spelling of 231322101121 in words is "two hundred thirty-one billion, three hundred twenty-two million, one hundred one thousand, one hundred twenty-one".