21104714941884 has 144 divisors (see below), whose sum is σ = 64144236950976. Its totient is φ = 5723851392000.

The previous prime is 21104714941879. The next prime is 21104714941889. The reversal of 21104714941884 is 48814941740112.

21104714941884 is a `hidden beast` number, since 2 + 1 + 1 + 0 + 4 + 7 + 149 + 418 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (21104714941879) and next prime (21104714941889).

It is a self number, because there is not a number n which added to its sum of digits gives 21104714941884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21104714941889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27221167 + ... + 27985734.

Almost surely, 2^{21104714941884} is an apocalyptic number.

It is an amenable number.

21104714941884 is an abundant number, since it is smaller than the sum of its proper divisors (43039522009092).

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

21104714941884 is a wasteful number, since it uses less digits than its factorization.

21104714941884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55206996 (or 55206991 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 21104714941884 in words is "twenty-one trillion, one hundred four billion, seven hundred fourteen million, nine hundred forty-one thousand, eight hundred eighty-four".