21002233300 has 36 divisors (see below), whose sum is σ = 47973526720. Its totient is φ = 7958740320.

The previous prime is 21002233297. The next prime is 21002233321. The reversal of 21002233300 is 333220012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5525004 + ... + 5528803.

Almost surely, 2^21002233300 is an apocalyptic number.

21002233300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21002233300 is an abundant number, since it is smaller than the sum of its proper divisors (26971293420).

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

21002233300 is a wasteful number, since it uses less digits than its factorization.

21002233300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11053840 (or 11053833 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 21002233300 its reverse (333220012), we get a palindrome (21335453312).

The spelling of 21002233300 in words is "twenty-one billion, two million, two hundred thirty-three thousand, three hundred".