232011121 has 16 divisors (see below), whose sum is σ = 251033040. Its totient is φ = 213626880.

The previous prime is 232011113. The next prime is 232011133. The reversal of 232011121 is 121110232.

It can be written as a sum of positive squares in 8 ways, for example, as 30371121 + 201640000 = 5511^2 + 14200^2 .

It is not a de Polignac number, because 232011121 - 2³ = 232011113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232011181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236985 + ... + 237961.

It is an arithmetic number, because the mean of its divisors is an integer number (15689565).

Almost surely, 2^232011121 is an apocalyptic number.

It is an amenable number.

232011121 is a deficient number, since it is larger than the sum of its proper divisors (19021919).

232011121 is a wasteful number, since it uses less digits than its factorization.

232011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 232011121 is about 15231.9112720630. The cubic root of 232011121 is about 614.4731831514.

Adding to 232011121 its reverse (121110232), we get a palindrome (353121353).

The spelling of 232011121 in words is "two hundred thirty-two million, eleven thousand, one hundred twenty-one".