232104321221 has 4 divisors (see below), whose sum is σ = 242195813472. Its totient is φ = 222012828972.

The previous prime is 232104321193. The next prime is 232104321289. The reversal of 232104321221 is 122123401232.

232104321221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-232104321221 is a prime.

It is a super-2 number, since 2×232104321221² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 10091492227 = 232104321221 / (2 + 3 + 2 + 1 + 0 + 4 + 3 + 2 + 1 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232104351221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5045746091 + ... + 5045746136.

It is an arithmetic number, because the mean of its divisors is an integer number (60548953368).

Almost surely, 2^232104321221 is an apocalyptic number.

It is an amenable number.

232104321221 is a deficient number, since it is larger than the sum of its proper divisors (10091492251).

232104321221 is a wasteful number, since it uses less digits than its factorization.

232104321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091492250.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 232104321221 its reverse (122123401232), we get a palindrome (354227722453).

The spelling of 232104321221 in words is "two hundred thirty-two billion, one hundred four million, three hundred twenty-one thousand, two hundred twenty-one".