21233021130300 has 144 divisors (see below), whose sum is σ = 70715635854080. Its totient is φ = 4818346352640.

The previous prime is 21233021130253. The next prime is 21233021130323. The reversal of 21233021130300 is 303112033212.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36078469 + ... + 36662268.

Almost surely, 2^{21233021130300} is an apocalyptic number.

21233021130300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21233021130300 is an abundant number, since it is smaller than the sum of its proper divisors (49482614723780).

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

21233021130300 is a wasteful number, since it uses less digits than its factorization.

21233021130300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72740900 (or 72740893 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21233021130300 its reverse (303112033212), we get a palindrome (21536133163512).

The spelling of 21233021130300 in words is "twenty-one trillion, two hundred thirty-three billion, twenty-one million, one hundred thirty thousand, three hundred".