21320331133199 has 32 divisors (see below), whose sum is σ = 25974867916800. Its totient is φ = 17092492784640.

The previous prime is 21320331133193. The next prime is 21320331133207. The reversal of 21320331133199 is 99133113302312.

It is a happy number.

It is not a de Polignac number, because 21320331133199 - 2⁴ = 21320331133183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21320331133193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187356479 + ... + 187470239.

It is an arithmetic number, because the mean of its divisors is an integer number (811714622400).

Almost surely, 2^{21320331133199} is an apocalyptic number.

21320331133199 is a deficient number, since it is larger than the sum of its proper divisors (4654536783601).

21320331133199 is a wasteful number, since it uses less digits than its factorization.

21320331133199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131703.

The product of its (nonzero) digits is 78732, while the sum is 41.

The spelling of 21320331133199 in words is "twenty-one trillion, three hundred twenty billion, three hundred thirty-one million, one hundred thirty-three thousand, one hundred ninety-nine".