111112099999999 has 24 divisors (see below), whose sum is σ = 130996873757760. Its totient is φ = 93955861306944.

The previous prime is 111112099999997. The next prime is 111112100000029. The reversal of 111112099999999 is 999999990211111.

It is not a de Polignac number, because 111112099999999 - 2¹ = 111112099999997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (79).

It is a Duffinian number.

111112099999999 is a modest number, since divided by 99999999 gives 1111120 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112099999997) 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, 7136184 + ... + 16527229.

It is an arithmetic number, because the mean of its divisors is an integer number (5458203073240).

Almost surely, 2^{111112099999999} is an apocalyptic number.

111112099999999 is a deficient number, since it is larger than the sum of its proper divisors (19884773757761).

111112099999999 is a wasteful number, since it uses less digits than its factorization.

111112099999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23664719 (or 23664712 counting only the distinct ones).

The product of its (nonzero) digits is 86093442, while the sum is 79.

The spelling of 111112099999999 in words is "one hundred eleven trillion, one hundred twelve billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".