21213113012022 has 16 divisors (see below), whose sum is σ = 42433219046592. Its totient is φ = 7069872166920.

The previous prime is 21213113012017. The next prime is 21213113012027. The reversal of 21213113012022 is 22021031131212.

It is an interprime number because it is at equal distance from previous prime (21213113012017) and next prime (21213113012027).

It is a self number, because there is not a number n which added to its sum of digits gives 21213113012022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21213113012027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291336504 + ... + 291409307.

It is an arithmetic number, because the mean of its divisors is an integer number (2652076190412).

Almost surely, 2^{21213113012022} is an apocalyptic number.

21213113012022 is an abundant number, since it is smaller than the sum of its proper divisors (21220106034570).

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

21213113012022 is a wasteful number, since it uses less digits than its factorization.

21213113012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582751883.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21213113012022 its reverse (22021031131212), we get a palindrome (43234144143234).

The spelling of 21213113012022 in words is "twenty-one trillion, two hundred thirteen billion, one hundred thirteen million, twelve thousand, twenty-two".