111018 has 8 divisors (see below), whose sum is σ = 222048. Its totient is φ = 37004.

The previous prime is 110989. The next prime is 111029. The reversal of 111018 is 810111.

It is a happy number.

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

111018 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 110994 and 111012.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 111018.

It is an unprimeable number.

111018 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9246 + ... + 9257.

It is an arithmetic number, because the mean of its divisors is an integer number (27756).

2¹¹¹⁰¹⁸ is an apocalyptic number.

111018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111018 is a wasteful number, since it uses less digits than its factorization.

111018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18508.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 111018 is about 333.1936373942. The cubic root of 111018 is about 48.0615529780.

Adding to 111018 its reverse (810111), we get a palindrome (921129).

It can be divided in two parts, 1110 and 18, that added together give a triangular number (1128 = T₄₇).

The spelling of 111018 in words is "one hundred eleven thousand, eighteen".