111100101099999 has 24 divisors (see below), whose sum is σ = 163187028673200. Its totient is φ = 67183431490560.

The previous prime is 111100101099997. The next prime is 111100101100013. The reversal of 111100101099999 is 999990101001111.

It is not a de Polignac number, because 111100101099999 - 2¹ = 111100101099997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100101099991) 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, 340662052 + ... + 340988025.

It is an arithmetic number, because the mean of its divisors is an integer number (6799459528050).

Almost surely, 2^{111100101099999} is an apocalyptic number.

111100101099999 is a deficient number, since it is larger than the sum of its proper divisors (52086927573201).

111100101099999 is a wasteful number, since it uses less digits than its factorization.

111100101099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681650551 (or 681650540 counting only the distinct ones).

The product of its (nonzero) digits is 59049, while the sum is 51.

The spelling of 111100101099999 in words is "one hundred eleven trillion, one hundred billion, one hundred one million, ninety-nine thousand, nine hundred ninety-nine".