21310333846272 has 126 divisors (see below), whose sum is σ = 63776961671892. Its totient is φ = 7103444553216.

The previous prime is 21310333846271. The next prime is 21310333846289. The reversal of 21310333846272 is 27264833301312.

21310333846272 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 0 + 3 + 338 + 46 + 272 = 666.

It is not an unprimeable number, because it can be changed into a prime (21310333846271) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 56907678 + ... + 57280925.

Almost surely, 2^{21310333846272} is an apocalyptic number.

It is an amenable number.

21310333846272 is an abundant number, since it is smaller than the sum of its proper divisors (42466627825620).

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

21310333846272 is an frugal number, since it uses more digits than its factorization.

21310333846272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114188637 (or 114188608 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 21310333846272 in words is "twenty-one trillion, three hundred ten billion, three hundred thirty-three million, eight hundred forty-six thousand, two hundred seventy-two".