2111057206199 has 4 divisors (see below), whose sum is σ = 2111085378936. Its totient is φ = 2111029033464.

The previous prime is 2111057206157. The next prime is 2111057206207. The reversal of 2111057206199 is 9916027501112.

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-2111057206199 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 (2111057206129) 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 3 ways as a sum of consecutive naturals, for example, 13973669 + ... + 14123934.

It is an arithmetic number, because the mean of its divisors is an integer number (527771344734).

Almost surely, 2^{2111057206199} is an apocalyptic number.

2111057206199 is a deficient number, since it is larger than the sum of its proper divisors (28172737).

2111057206199 is an equidigital number, since it uses as much as digits as its factorization.

2111057206199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28172736.

The product of its (nonzero) digits is 68040, while the sum is 44.

The spelling of 2111057206199 in words is "two trillion, one hundred eleven billion, fifty-seven million, two hundred six thousand, one hundred ninety-nine".