21033302003120 has 120 divisors (see below), whose sum is σ = 55768433373072. Its totient is φ = 7315930969600.

The previous prime is 21033302003071. The next prime is 21033302003149. The reversal of 21033302003120 is 2130020333012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 21033302003092 and 21033302003101.

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, 22125671 + ... + 23056710.

Almost surely, 2^{21033302003120} is an apocalyptic number.

21033302003120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21033302003120 is an abundant number, since it is smaller than the sum of its proper divisors (34735131369952).

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

21033302003120 is a wasteful number, since it uses less digits than its factorization.

21033302003120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45182451 (or 45182422 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21033302003120 its reverse (2130020333012), we get a palindrome (23163322336132).

The spelling of 21033302003120 in words is "twenty-one trillion, thirty-three billion, three hundred two million, three thousand, one hundred twenty".