21333022120 has 64 divisors (see below), whose sum is σ = 48256689600. Its totient is φ = 8487552000.

The previous prime is 21333022097. The next prime is 21333022127. The reversal of 21333022120 is 2122033312.

It is not an unprimeable number, because it can be changed into a prime (21333022127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14326336 + ... + 14327824.

It is an arithmetic number, because the mean of its divisors is an integer number (754010775).

Almost surely, 2^21333022120 is an apocalyptic number.

21333022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21333022120 is an abundant number, since it is smaller than the sum of its proper divisors (26923667480).

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

21333022120 is a wasteful number, since it uses less digits than its factorization.

21333022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178 (or 3174 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21333022120 its reverse (2122033312), we get a palindrome (23455055432).

The spelling of 21333022120 in words is "twenty-one billion, three hundred thirty-three million, twenty-two thousand, one hundred twenty".