21202120202199 has 8 divisors (see below), whose sum is σ = 28269540468480. Its totient is φ = 14134723368696.

The previous prime is 21202120202189. The next prime is 21202120202251. The reversal of 21202120202199 is 99120202120212.

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

It is not a de Polignac number, because 21202120202199 - 2⁷ = 21202120202071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202120202119) 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, 3625407 + ... + 7453040.

It is an arithmetic number, because the mean of its divisors is an integer number (3533692558560).

Almost surely, 2^{21202120202199} is an apocalyptic number.

21202120202199 is a deficient number, since it is larger than the sum of its proper divisors (7067420266281).

21202120202199 is a wasteful number, since it uses less digits than its factorization.

21202120202199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11716389.

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 21202120202199 in words is "twenty-one trillion, two hundred two billion, one hundred twenty million, two hundred two thousand, one hundred ninety-nine".