20212011022113 has 18 divisors (see below), whose sum is σ = 30316476228194. Its totient is φ = 13474674010368.

The previous prime is 20212011022087. The next prime is 20212011022139. The reversal of 20212011022113 is 31122011021202.

20212011022113 is a `hidden beast` number, since 202 + 120 + 110 + 221 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (20212011022087) and next prime (20212011022139).

It can be written as a sum of positive squares in only one way, i.e., 12189475943649 + 8022535078464 = 3491343^2 + 2832408^2 .

It is not a de Polignac number, because 20212011022113 - 2²⁸ = 20211742586657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212011022213) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1540308256 + ... + 1540321377.

Almost surely, 2^{20212011022113} is an apocalyptic number.

It is an amenable number.

20212011022113 is a deficient number, since it is larger than the sum of its proper divisors (10104465206081).

20212011022113 is an frugal number, since it uses more digits than its factorization.

20212011022113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080629657 (or 3080629636 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20212011022113 its reverse (31122011021202), we get a palindrome (51334022043315).

The spelling of 20212011022113 in words is "twenty trillion, two hundred twelve billion, eleven million, twenty-two thousand, one hundred thirteen".