111111011010199 has 2 divisors, whose sum is σ = 111111011010200. Its totient is φ = 111111011010198.

The previous prime is 111111011010113. The next prime is 111111011010211. The reversal of 111111011010199 is 991010110111111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111111011010199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111111011010599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555505505099 + 55555505505100.

It is an arithmetic number, because the mean of its divisors is an integer number (55555505505100).

Almost surely, 2^{111111011010199} is an apocalyptic number.

111111011010199 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111011010199 is an equidigital number, since it uses as much as digits as its factorization.

111111011010199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 28.

The spelling of 111111011010199 in words is "one hundred eleven trillion, one hundred eleven billion, eleven million, ten thousand, one hundred ninety-nine".