213323203021122 has 48 divisors (see below), whose sum is σ = 462814715902968. Its totient is φ = 71013211269120.

The previous prime is 213323203021073. The next prime is 213323203021139. The reversal of 213323203021122 is 221120302323312.

213323203021122 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 2 + 320 + 302 + 11 + 22 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 160715177667801 + 52608025353321 = 12677349^2 + 7253139^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412054872 + ... + 412572252.

Almost surely, 2^{213323203021122} is an apocalyptic number.

213323203021122 is an abundant number, since it is smaller than the sum of its proper divisors (249491512881846).

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

213323203021122 is a wasteful number, since it uses less digits than its factorization.

213323203021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547795 (or 547792 counting only the distinct ones).

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

Adding to 213323203021122 its reverse (221120302323312), we get a palindrome (434443505344434).

The spelling of 213323203021122 in words is "two hundred thirteen trillion, three hundred twenty-three billion, two hundred three million, twenty-one thousand, one hundred twenty-two".