21202112199 has 8 divisors (see below), whose sum is σ = 28321166080. Its totient is φ = 14108899896.

The previous prime is 21202112153. The next prime is 21202112201. The reversal of 21202112199 is 99121120212.

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

It is not a de Polignac number, because 21202112199 - 2¹¹ = 21202110151 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 (21202312199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6458479 + ... + 6461760.

It is an arithmetic number, because the mean of its divisors is an integer number (3540145760).

Almost surely, 2^21202112199 is an apocalyptic number.

21202112199 is a deficient number, since it is larger than the sum of its proper divisors (7119053881).

21202112199 is a wasteful number, since it uses less digits than its factorization.

21202112199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920789.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 21202112199 in words is "twenty-one billion, two hundred two million, one hundred twelve thousand, one hundred ninety-nine".