21202112210199 has 8 divisors (see below), whose sum is σ = 28272718587120. Its totient is φ = 14133123653376.

The previous prime is 21202112210137. The next prime is 21202112210231. The reversal of 21202112210199 is 99101221120212.

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

It is not a de Polignac number, because 21202112210199 - 2²⁵ = 21202078655767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202112210599) 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, 404424444 + ... + 404476865.

It is an arithmetic number, because the mean of its divisors is an integer number (3534089823390).

Almost surely, 2^{21202112210199} is an apocalyptic number.

21202112210199 is a deficient number, since it is larger than the sum of its proper divisors (7070606376921).

21202112210199 is an equidigital number, since it uses as much as digits as its factorization.

21202112210199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808910049.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 21202112210199 in words is "twenty-one trillion, two hundred two billion, one hundred twelve million, two hundred ten thousand, one hundred ninety-nine".