111110999999999 has 8 divisors (see below), whose sum is σ = 116973247440000. Its totient is φ = 105250182567192.

The previous prime is 111110999999977. The next prime is 111111000000031. The reversal of 111110999999999 is 999999999011111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111110999999999 - 2¹² = 111110999995903 is a prime.

It is a Duffinian number.

111110999999999 is a modest number, since divided by 99999999 gives 1111109 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 111110999999999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110999999099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357342299 + ... + 357653100.

It is an arithmetic number, because the mean of its divisors is an integer number (14621655930000).

Almost surely, 2^{111110999999999} is an apocalyptic number.

111110999999999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

111110999999999 is a deficient number, since it is larger than the sum of its proper divisors (5862247440001).

111110999999999 is an equidigital number, since it uses as much as digits as its factorization.

111110999999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715003597.

The product of its (nonzero) digits is 387420489, while the sum is 86.

The spelling of 111110999999999 in words is "one hundred eleven trillion, one hundred ten billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".