111010111099 has 2 divisors, whose sum is σ = 111010111100. Its totient is φ = 111010111098.

The previous prime is 111010111039. The next prime is 111010111141. The reversal of 111010111099 is 990111010111.

It is a strong prime.

It is an emirp because it is prime and its reverse (990111010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111010111099 - 2⁹ = 111010110587 is a prime.

It is not a weakly prime, because it can be changed into another prime (111010111039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505055549 + 55505055550.

It is an arithmetic number, because the mean of its divisors is an integer number (55505055550).

Almost surely, 2^111010111099 is an apocalyptic number.

111010111099 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010111099 is an equidigital number, since it uses as much as digits as its factorization.

111010111099 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 111010111099 in words is "one hundred eleven billion, ten million, one hundred eleven thousand, ninety-nine".