111000111109998 has 16 divisors (see below), whose sum is σ = 242182060603776. Its totient is φ = 33636397306040.

The previous prime is 111000111109997. The next prime is 111000111110059. The reversal of 111000111109998 is 899901111000111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000111109991) 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, 840909932586 + ... + 840909932717.

It is an arithmetic number, because the mean of its divisors is an integer number (15136378787736).

Almost surely, 2^{111000111109998} is an apocalyptic number.

111000111109998 is an abundant number, since it is smaller than the sum of its proper divisors (131181949493778).

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

111000111109998 is a wasteful number, since it uses less digits than its factorization.

111000111109998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681819865319.

The product of its (nonzero) digits is 5832, while the sum is 42.

The spelling of 111000111109998 in words is "one hundred eleven trillion, one hundred eleven million, one hundred nine thousand, nine hundred ninety-eight".