232021311311221 has 16 divisors (see below), whose sum is σ = 233824696422400. Its totient is φ = 230221464462000.

The previous prime is 232021311311219. The next prime is 232021311311249. The reversal of 232021311311221 is 122113113120232.

It is a cyclic number.

It is not a de Polignac number, because 232021311311221 - 2¹ = 232021311311219 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 (232021311311021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3576183460 + ... + 3576248338.

It is an arithmetic number, because the mean of its divisors is an integer number (14614043526400).

Almost surely, 2^{232021311311221} is an apocalyptic number.

It is an amenable number.

232021311311221 is a deficient number, since it is larger than the sum of its proper divisors (1803385111179).

232021311311221 is a wasteful number, since it uses less digits than its factorization.

232021311311221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91720.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 232021311311221 its reverse (122113113120232), we get a palindrome (354134424431453).

The spelling of 232021311311221 in words is "two hundred thirty-two trillion, twenty-one billion, three hundred eleven million, three hundred eleven thousand, two hundred twenty-one".