232021032221 has 32 divisors (see below), whose sum is σ = 277525699200. Its totient is φ = 191480647680.

The previous prime is 232021032193. The next prime is 232021032253. The reversal of 232021032221 is 122230120232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 232021032221 - 2¹⁸ = 232020770077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232021032193 and 232021032202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232021032521) 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, 5450606 + ... + 5493008.

It is an arithmetic number, because the mean of its divisors is an integer number (8672678100).

Almost surely, 2^232021032221 is an apocalyptic number.

It is an amenable number.

232021032221 is a deficient number, since it is larger than the sum of its proper divisors (45504666979).

232021032221 is a wasteful number, since it uses less digits than its factorization.

232021032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43469.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 232021032221 its reverse (122230120232), we get a palindrome (354251152453).

The spelling of 232021032221 in words is "two hundred thirty-two billion, twenty-one million, thirty-two thousand, two hundred twenty-one".