21011313200022 has 32 divisors (see below), whose sum is σ = 46694017404000. Its totient is φ = 7003439522784.

The previous prime is 21011313200011. The next prime is 21011313200023. The reversal of 21011313200022 is 22000231311012.

21011313200022 is a `hidden beast` number, since 210 + 1 + 131 + 320 + 0 + 0 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21011313199968 and 21011313200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21011313200023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8056933 + ... + 10341024.

It is an arithmetic number, because the mean of its divisors is an integer number (1459188043875).

Almost surely, 2^{21011313200022} is an apocalyptic number.

21011313200022 is an abundant number, since it is smaller than the sum of its proper divisors (25682704203978).

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

21011313200022 is a wasteful number, since it uses less digits than its factorization.

21011313200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18419117 (or 18419111 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21011313200022 its reverse (22000231311012), we get a palindrome (43011544511034).

The spelling of 21011313200022 in words is "twenty-one trillion, eleven billion, three hundred thirteen million, two hundred thousand, twenty-two".