2120233231121 has 32 divisors (see below), whose sum is σ = 2276228736000. Its totient is φ = 1970213414400.

The previous prime is 2120233231087. The next prime is 2120233231139. The reversal of 2120233231121 is 1211323320212.

It is not a de Polignac number, because 2120233231121 - 2²⁶ = 2120166122257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120233231321) 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, 290081615 + ... + 290088923.

It is an arithmetic number, because the mean of its divisors is an integer number (71132148000).

Almost surely, 2^{2120233231121} is an apocalyptic number.

It is an amenable number.

2120233231121 is a deficient number, since it is larger than the sum of its proper divisors (155995504879).

2120233231121 is a wasteful number, since it uses less digits than its factorization.

2120233231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9329.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2120233231121 its reverse (1211323320212), we get a palindrome (3331556551333).

The spelling of 2120233231121 in words is "two trillion, one hundred twenty billion, two hundred thirty-three million, two hundred thirty-one thousand, one hundred twenty-one".