21133133102200 has 96 divisors (see below), whose sum is σ = 59456915719200. Its totient is φ = 6819431178240.

The previous prime is 21133133102143. The next prime is 21133133102293. The reversal of 21133133102200 is 220133133112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443949585 + ... + 443997184.

It is an arithmetic number, because the mean of its divisors is an integer number (619342872075).

Almost surely, 2^{21133133102200} is an apocalyptic number.

21133133102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21133133102200 is an abundant number, since it is smaller than the sum of its proper divisors (38323782617000).

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

21133133102200 is a wasteful number, since it uses less digits than its factorization.

21133133102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887946809 (or 887946800 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21133133102200 its reverse (220133133112), we get a palindrome (21353266235312).

The spelling of 21133133102200 in words is "twenty-one trillion, one hundred thirty-three billion, one hundred thirty-three million, one hundred two thousand, two hundred".