111111098 has 16 divisors (see below), whose sum is σ = 191693184. Its totient is φ = 47314800.

The previous prime is 111111089. The next prime is 111111109. The reversal of 111111098 is 890111111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23078 + ... + 27473.

It is an arithmetic number, because the mean of its divisors is an integer number (11980824).

Almost surely, 2^111111098 is an apocalyptic number.

111111098 is a deficient number, since it is larger than the sum of its proper divisors (80582086).

111111098 is a wasteful number, since it uses less digits than its factorization.

111111098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50717.

The product of its (nonzero) digits is 72, while the sum is 23.

The square root of 111111098 is about 10540.9249119800. The cubic root of 111111098 is about 480.7498378596.

The spelling of 111111098 in words is "one hundred eleven million, one hundred eleven thousand, ninety-eight".