21132201133200 has 120 divisors (see below), whose sum is σ = 70027742491200. Its totient is φ = 5440934535680.

The previous prime is 21132201133159. The next prime is 21132201133259. The reversal of 21132201133200 is 233110223112.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303588780 + ... + 303658379.

It is an arithmetic number, because the mean of its divisors is an integer number (583564520760).

Almost surely, 2^{21132201133200} is an apocalyptic number.

21132201133200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21132201133200 is an abundant number, since it is smaller than the sum of its proper divisors (48895541358000).

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

21132201133200 is a wasteful number, since it uses less digits than its factorization.

21132201133200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607247209 (or 607247198 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21132201133200 its reverse (233110223112), we get a palindrome (21365311356312).

The spelling of 21132201133200 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred one million, one hundred thirty-three thousand, two hundred".