21303321233200 has 30 divisors (see below), whose sum is σ = 51181229263724. Its totient is φ = 8521328493120.

The previous prime is 21303321233191. The next prime is 21303321233209. The reversal of 21303321233200 is 233212330312.

It is an interprime number because it is at equal distance from previous prime (21303321233191) and next prime (21303321233209).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (21303321233209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26629151142 + ... + 26629151941.

Almost surely, 2^{21303321233200} is an apocalyptic number.

21303321233200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21303321233200 is an abundant number, since it is smaller than the sum of its proper divisors (29877908030524).

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

21303321233200 is a wasteful number, since it uses less digits than its factorization.

21303321233200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53258303101 (or 53258303090 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21303321233200 its reverse (233212330312), we get a palindrome (21536533563512).

The spelling of 21303321233200 in words is "twenty-one trillion, three hundred three billion, three hundred twenty-one million, two hundred thirty-three thousand, two hundred".