21313002123199 has 12 divisors (see below), whose sum is σ = 22677754667584. Its totient is φ = 20026249334784.

The previous prime is 21313002123173. The next prime is 21313002123223. The reversal of 21313002123199 is 99132120031312.

It is not a de Polignac number, because 21313002123199 - 2⁷ = 21313002123071 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 (21313002163199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60572034 + ... + 60922879.

Almost surely, 2^{21313002123199} is an apocalyptic number.

21313002123199 is a deficient number, since it is larger than the sum of its proper divisors (1364752544385).

21313002123199 is a wasteful number, since it uses less digits than its factorization.

21313002123199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121495554 (or 121495537 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 21313002123199 in words is "twenty-one trillion, three hundred thirteen billion, two million, one hundred twenty-three thousand, one hundred ninety-nine".