111110009999970 has 128 divisors (see below), whose sum is σ = 271375997967360. Its totient is φ = 29107020199680.

The previous prime is 111110009999969. The next prime is 111110009999981. The reversal of 111110009999970 is 79999900011111.

It is a self number, because there is not a number n which added to its sum of digits gives 111110009999970.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10224528477 + ... + 10224539343.

It is an arithmetic number, because the mean of its divisors is an integer number (2120124984120).

Almost surely, 2^{111110009999970} is an apocalyptic number.

111110009999970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111110009999970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135687998983680).

111110009999970 is an abundant number, since it is smaller than the sum of its proper divisors (160265987967390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111110009999970 is a wasteful number, since it uses less digits than its factorization.

111110009999970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17440.

The product of its (nonzero) digits is 413343, while the sum is 57.

The spelling of 111110009999970 in words is "one hundred eleven trillion, one hundred ten billion, nine million, nine hundred ninety-nine thousand, nine hundred seventy".