21333122000331 has 16 divisors (see below), whose sum is σ = 29099703235584. Its totient is φ = 13895359916544.

The previous prime is 21333122000329. The next prime is 21333122000353. The reversal of 21333122000331 is 13300022133312.

It is not a de Polignac number, because 21333122000331 - 2¹ = 21333122000329 is a prime.

It is a super-2 number, since 2×21333122000331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21333122000321) 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, 131026735 + ... + 131189448.

It is an arithmetic number, because the mean of its divisors is an integer number (1818731452224).

Almost surely, 2^{21333122000331} is an apocalyptic number.

21333122000331 is a deficient number, since it is larger than the sum of its proper divisors (7766581235253).

21333122000331 is a wasteful number, since it uses less digits than its factorization.

21333122000331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262216810.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21333122000331 its reverse (13300022133312), we get a palindrome (34633144133643).

The spelling of 21333122000331 in words is "twenty-one trillion, three hundred thirty-three billion, one hundred twenty-two million, three hundred thirty-one", and thus it is an aban number.