111011011111099 has 24 divisors (see below), whose sum is σ = 128566116224000. Its totient is φ = 95515548487920.

The previous prime is 111011011111067. The next prime is 111011011111103. The reversal of 111011011111099 is 990111110110111.

It is not a de Polignac number, because 111011011111099 - 2⁵ = 111011011111067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111011011111199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20848419 + ... + 25625740.

Almost surely, 2^{111011011111099} is an apocalyptic number.

111011011111099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

111011011111099 is a deficient number, since it is larger than the sum of its proper divisors (17555105112901).

111011011111099 is a wasteful number, since it uses less digits than its factorization.

111011011111099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46475239 (or 46475228 counting only the distinct ones).

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

The spelling of 111011011111099 in words is "one hundred eleven trillion, eleven billion, eleven million, one hundred eleven thousand, ninety-nine".