21132111222200 has 48 divisors (see below), whose sum is σ = 53598718469160. Its totient is φ = 7684404080000.

The previous prime is 21132111222197. The next prime is 21132111222253. The reversal of 21132111222200 is 222211123112.

It is a super-2 number, since 2×21132111222200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 4802750351 + ... + 4802754750.

Almost surely, 2^{21132111222200} is an apocalyptic number.

21132111222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21132111222200 is an abundant number, since it is smaller than the sum of its proper divisors (32466607246960).

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

21132111222200 is a wasteful number, since it uses less digits than its factorization.

21132111222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9605505128 (or 9605505119 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21132111222200 its reverse (222211123112), we get a palindrome (21354322345312).

The spelling of 21132111222200 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred".