232121332121 has 4 divisors (see below), whose sum is σ = 265281522432. Its totient is φ = 198961141812.

The previous prime is 232121332081. The next prime is 232121332133. The reversal of 232121332121 is 121233121232.

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 232121332121 - 2⁶ = 232121332057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232121332171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16580095145 + ... + 16580095158.

It is an arithmetic number, because the mean of its divisors is an integer number (66320380608).

Almost surely, 2^232121332121 is an apocalyptic number.

It is an amenable number.

232121332121 is a deficient number, since it is larger than the sum of its proper divisors (33160190311).

232121332121 is an equidigital number, since it uses as much as digits as its factorization.

232121332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33160190310.

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

Adding to 232121332121 its reverse (121233121232), we get a palindrome (353354453353).

The spelling of 232121332121 in words is "two hundred thirty-two billion, one hundred twenty-one million, three hundred thirty-two thousand, one hundred twenty-one".