111111000199 has 2 divisors, whose sum is σ = 111111000200. Its totient is φ = 111111000198.

The previous prime is 111111000197. The next prime is 111111000211. The reversal of 111111000199 is 991000111111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111111000199 - 2¹ = 111111000197 is a prime.

Together with 111111000197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111111000197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555500099 + 55555500100.

It is an arithmetic number, because the mean of its divisors is an integer number (55555500100).

Almost surely, 2^111111000199 is an apocalyptic number.

111111000199 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111000199 is an equidigital number, since it uses as much as digits as its factorization.

111111000199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 25.

The spelling of 111111000199 in words is "one hundred eleven billion, one hundred eleven million, one hundred ninety-nine", and thus it is an aban number.