21112323332200 has 48 divisors (see below), whose sum is σ = 51220332269280. Its totient is φ = 8077758490560.

The previous prime is 21112323332189. The next prime is 21112323332249. The reversal of 21112323332200 is 223332321112.

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

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, 2294813154 + ... + 2294822353.

It is an arithmetic number, because the mean of its divisors is an integer number (1067090255610).

Almost surely, 2^{21112323332200} is an apocalyptic number.

21112323332200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21112323332200 is an abundant number, since it is smaller than the sum of its proper divisors (30108008937080).

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

21112323332200 is a wasteful number, since it uses less digits than its factorization.

21112323332200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589635546 (or 4589635537 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21112323332200 its reverse (223332321112), we get a palindrome (21335655653312).

The spelling of 21112323332200 in words is "twenty-one trillion, one hundred twelve billion, three hundred twenty-three million, three hundred thirty-two thousand, two hundred".