21332133111020 has 48 divisors (see below), whose sum is σ = 45371378078208. Its totient is φ = 8423694202560.

The previous prime is 21332133110989. The next prime is 21332133111049. The reversal of 21332133111020 is 2011133123312.

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, 2639186 + ... + 7044825.

It is an arithmetic number, because the mean of its divisors is an integer number (945237043296).

Almost surely, 2^{21332133111020} is an apocalyptic number.

21332133111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21332133111020 is an abundant number, since it is smaller than the sum of its proper divisors (24039244967188).

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

21332133111020 is a wasteful number, since it uses less digits than its factorization.

21332133111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9685430 (or 9685428 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21332133111020 its reverse (2011133123312), we get a palindrome (23343266234332).

The spelling of 21332133111020 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred thirty-three million, one hundred eleven thousand, twenty".