232221203253121 has 4 divisors (see below), whose sum is σ = 232221369636144. Its totient is φ = 232221036870100.

The previous prime is 232221203253113. The next prime is 232221203253139. The reversal of 232221203253121 is 121352302122232.

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 232221203253121 - 2³ = 232221203253113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232221203253521) 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, 81080095 + ... + 83895316.

It is an arithmetic number, because the mean of its divisors is an integer number (58055342409036).

Almost surely, 2^{232221203253121} is an apocalyptic number.

It is an amenable number.

232221203253121 is a deficient number, since it is larger than the sum of its proper divisors (166383023).

232221203253121 is a wasteful number, since it uses less digits than its factorization.

232221203253121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166383022.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 232221203253121 its reverse (121352302122232), we get a palindrome (353573505375353).

The spelling of 232221203253121 in words is "two hundred thirty-two trillion, two hundred twenty-one billion, two hundred three million, two hundred fifty-three thousand, one hundred twenty-one".