201021216313392 has 60 divisors (see below), whose sum is σ = 562700600943624. Its totient is φ = 66992732682240.

The previous prime is 201021216313387. The next prime is 201021216313469. The reversal of 201021216313392 is 293313612120102.

201021216313392 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 2 + 12 + 1 + 631 + 3 + 3 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148693734 + ... + 150039557.

Almost surely, 2^{201021216313392} is an apocalyptic number.

It is an amenable number.

201021216313392 is an abundant number, since it is smaller than the sum of its proper divisors (361679384630232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201021216313392 is a wasteful number, since it uses less digits than its factorization.

201021216313392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298737978 (or 298737969 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

Adding to 201021216313392 its reverse (293313612120102), we get a palindrome (494334828433494).

The spelling of 201021216313392 in words is "two hundred one trillion, twenty-one billion, two hundred sixteen million, three hundred thirteen thousand, three hundred ninety-two".