21223102122984 has 32 divisors (see below), whose sum is σ = 54291656596320. Its totient is φ = 6909847202496.

The previous prime is 21223102122961. The next prime is 21223102123007. The reversal of 21223102122984 is 48922120132212.

It is an interprime number because it is at equal distance from previous prime (21223102122961) and next prime (21223102123007).

It is a super-2 number, since 2×21223102122984² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10282509687 + ... + 10282511750.

It is an arithmetic number, because the mean of its divisors is an integer number (1696614268635).

Almost surely, 2^{21223102122984} is an apocalyptic number.

21223102122984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21223102122984 is an abundant number, since it is smaller than the sum of its proper divisors (33068554473336).

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

21223102122984 is a wasteful number, since it uses less digits than its factorization.

21223102122984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20565021489 (or 20565021485 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 21223102122984 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred two million, one hundred twenty-two thousand, nine hundred eighty-four".