21032321199 has 8 divisors (see below), whose sum is σ = 28075974192. Its totient is φ = 14005107840.

The previous prime is 21032321131. The next prime is 21032321201. The reversal of 21032321199 is 99112323012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21032321199 - 2²⁰ = 21031272623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032321099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4106922 + ... + 4112039.

It is an arithmetic number, because the mean of its divisors is an integer number (3509496774).

Almost surely, 2^21032321199 is an apocalyptic number.

21032321199 is a deficient number, since it is larger than the sum of its proper divisors (7043652993).

21032321199 is an equidigital number, since it uses as much as digits as its factorization.

21032321199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219817.

The product of its (nonzero) digits is 5832, while the sum is 33.

The spelling of 21032321199 in words is "twenty-one billion, thirty-two million, three hundred twenty-one thousand, one hundred ninety-nine".