21120214124304 has 80 divisors (see below), whose sum is σ = 60837052161600. Its totient is φ = 7015194756864.

The previous prime is 21120214124279. The next prime is 21120214124323. The reversal of 21120214124304 is 40342141202112.

21120214124304 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 0 + 214 + 12 + 430 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86254749 + ... + 86499260.

It is an arithmetic number, because the mean of its divisors is an integer number (760463152020).

Almost surely, 2^{21120214124304} is an apocalyptic number.

21120214124304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21120214124304 is an abundant number, since it is smaller than the sum of its proper divisors (39716838037296).

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

21120214124304 is a wasteful number, since it uses less digits than its factorization.

21120214124304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172754309 (or 172754297 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 21120214124304 its reverse (40342141202112), we get a palindrome (61462355326416).

The spelling of 21120214124304 in words is "twenty-one trillion, one hundred twenty billion, two hundred fourteen million, one hundred twenty-four thousand, three hundred four".