2132312323221 has 24 divisors (see below), whose sum is σ = 3226814932224. Its totient is φ = 1355152740480.

The previous prime is 2132312323213. The next prime is 2132312323247. The reversal of 2132312323221 is 1223232132312.

2132312323221 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 312 + 323 + 2 + 21 = 666.

It is not a de Polignac number, because 2132312323221 - 2³ = 2132312323213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132312321221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57016356 + ... + 57053741.

It is an arithmetic number, because the mean of its divisors is an integer number (134450622176).

Almost surely, 2^{2132312323221} is an apocalyptic number.

It is an amenable number.

2132312323221 is a deficient number, since it is larger than the sum of its proper divisors (1094502609003).

2132312323221 is a wasteful number, since it uses less digits than its factorization.

2132312323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114070201 (or 114070198 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 2132312323221 its reverse (1223232132312), we get a palindrome (3355544455533).

The spelling of 2132312323221 in words is "two trillion, one hundred thirty-two billion, three hundred twelve million, three hundred twenty-three thousand, two hundred twenty-one".