21333310313100 has 72 divisors (see below), whose sum is σ = 61837219956288. Its totient is φ = 5678482555200.

The previous prime is 21333310313083. The next prime is 21333310313123. The reversal of 21333310313100 is 131301333312.

It is a super-2 number, since 2×21333310313100² (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 23 ways as a sum of consecutive naturals, for example, 64836846 + ... + 65165045.

Almost surely, 2^{21333310313100} is an apocalyptic number.

21333310313100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21333310313100 is an abundant number, since it is smaller than the sum of its proper divisors (40503909643188).

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

21333310313100 is a wasteful number, since it uses less digits than its factorization.

21333310313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130002455 (or 130002448 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 21333310313100 its reverse (131301333312), we get a palindrome (21464611646412).

The spelling of 21333310313100 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred ten million, three hundred thirteen thousand, one hundred".