21313002199 has 2 divisors, whose sum is σ = 21313002200. Its totient is φ = 21313002198.

The previous prime is 21313002181. The next prime is 21313002241. The reversal of 21313002199 is 99120031312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21313002199 - 2¹¹ = 21313000151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21313002199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21313002149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10656501099 + 10656501100.

It is an arithmetic number, because the mean of its divisors is an integer number (10656501100).

Almost surely, 2^21313002199 is an apocalyptic number.

21313002199 is a deficient number, since it is larger than the sum of its proper divisors (1).

21313002199 is an equidigital number, since it uses as much as digits as its factorization.

21313002199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 21313002199 in words is "twenty-one billion, three hundred thirteen million, two thousand, one hundred ninety-nine".