21112001110199 has 16 divisors (see below), whose sum is σ = 22391733410496. Its totient is φ = 19836481190400.

The previous prime is 21112001110139. The next prime is 21112001110247. The reversal of 21112001110199 is 99101110021112.

It is a cyclic number.

It is not a de Polignac number, because 21112001110199 - 2⁸ = 21112001109943 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 (21112001110139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103703489 + ... + 103906869.

It is an arithmetic number, because the mean of its divisors is an integer number (1399483338156).

Almost surely, 2^{21112001110199} is an apocalyptic number.

21112001110199 is a deficient number, since it is larger than the sum of its proper divisors (1279732300297).

21112001110199 is a wasteful number, since it uses less digits than its factorization.

21112001110199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213706.

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 21112001110199 in words is "twenty-one trillion, one hundred twelve billion, one million, one hundred ten thousand, one hundred ninety-nine".