232101331221 has 8 divisors (see below), whose sum is σ = 322923591360. Its totient is φ = 148006645952.

The previous prime is 232101331207. The next prime is 232101331247. The reversal of 232101331221 is 122133101232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232101331221 - 2⁷ = 232101331093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232101331421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681893636 + ... + 1681893773.

It is an arithmetic number, because the mean of its divisors is an integer number (40365448920).

Almost surely, 2^232101331221 is an apocalyptic number.

It is an amenable number.

232101331221 is a deficient number, since it is larger than the sum of its proper divisors (90822260139).

232101331221 is a wasteful number, since it uses less digits than its factorization.

232101331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363787435.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 232101331221 its reverse (122133101232), we get a palindrome (354234432453).

The spelling of 232101331221 in words is "two hundred thirty-two billion, one hundred one million, three hundred thirty-one thousand, two hundred twenty-one".