21412423111199 has 4 divisors (see below), whose sum is σ = 21412970516640. Its totient is φ = 21411875705760.

The previous prime is 21412423111193. The next prime is 21412423111231. The reversal of 21412423111199 is 99111132421412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21412423111199 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 (21412423111193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273644042 + ... + 273722279.

It is an arithmetic number, because the mean of its divisors is an integer number (5353242629160).

Almost surely, 2^{21412423111199} is an apocalyptic number.

21412423111199 is a deficient number, since it is larger than the sum of its proper divisors (547405441).

21412423111199 is an equidigital number, since it uses as much as digits as its factorization.

21412423111199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547405440.

The product of its digits is 31104, while the sum is 41.

The spelling of 21412423111199 in words is "twenty-one trillion, four hundred twelve billion, four hundred twenty-three million, one hundred eleven thousand, one hundred ninety-nine".