111043116 has 96 divisors (see below), whose sum is σ = 314818560. Its totient is φ = 33696000.

The previous prime is 111043081. The next prime is 111043139. The reversal of 111043116 is 611340111.

It is a super-2 number, since 2×111043116² = 24661147221978912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55941 + ... + 57891.

It is an arithmetic number, because the mean of its divisors is an integer number (3279360).

Almost surely, 2^111043116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111043116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157409280).

111043116 is an abundant number, since it is smaller than the sum of its proper divisors (203775444).

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

111043116 is a wasteful number, since it uses less digits than its factorization.

111043116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 2004 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 111043116 is about 10537.6997489965. The cubic root of 111043116 is about 480.6517708385.

Adding to 111043116 its reverse (611340111), we get a palindrome (722383227).

The spelling of 111043116 in words is "one hundred eleven million, forty-three thousand, one hundred sixteen".