232002131133221 has 16 divisors (see below), whose sum is σ = 239197553430528. Its totient is φ = 224892829047600.

The previous prime is 232002131133181. The next prime is 232002131133323. The reversal of 232002131133221 is 122331131200232.

It is a cyclic number.

It is not a de Polignac number, because 232002131133221 - 2¹⁰ = 232002131132197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232002131139221) 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 15 ways as a sum of consecutive naturals, for example, 21069245 + ... + 30131666.

It is an arithmetic number, because the mean of its divisors is an integer number (14949847089408).

Almost surely, 2^{232002131133221} is an apocalyptic number.

It is an amenable number.

232002131133221 is a deficient number, since it is larger than the sum of its proper divisors (7195422297307).

232002131133221 is a wasteful number, since it uses less digits than its factorization.

232002131133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51201752.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 232002131133221 its reverse (122331131200232), we get a palindrome (354333262333453).

The spelling of 232002131133221 in words is "two hundred thirty-two trillion, two billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty-one".