21120022200200 has 192 divisors, whose sum is σ = 64442775398400. Its totient is φ = 6236397446400.

The previous prime is 21120022200169. The next prime is 21120022200247. The reversal of 21120022200200 is 200222002112.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 35797664 + ... + 36382863.

It is an arithmetic number, because the mean of its divisors is an integer number (335639455200).

Almost surely, 2^{21120022200200} is an apocalyptic number.

21120022200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21120022200200 is an abundant number, since it is smaller than the sum of its proper divisors (43322753198200).

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

21120022200200 is a wasteful number, since it uses less digits than its factorization.

21120022200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72180580 (or 72180571 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21120022200200 its reverse (200222002112), we get a palindrome (21320244202312).

The spelling of 21120022200200 in words is "twenty-one trillion, one hundred twenty billion, twenty-two million, two hundred thousand, two hundred".