111121344 has 84 divisors (see below), whose sum is σ = 321773296. Its totient is φ = 36661248.

The previous prime is 111121343. The next prime is 111121363. The reversal of 111121344 is 443121111.

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

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58392 + ... + 60264.

Almost surely, 2^111121344 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 111121344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160886648).

111121344 is an abundant number, since it is smaller than the sum of its proper divisors (210651952).

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

111121344 is a wasteful number, since it uses less digits than its factorization.

111121344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 1981 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 111121344 is about 10541.4109112585. The cubic root of 111121344 is about 480.7646146957.

Adding to 111121344 its reverse (443121111), we get a palindrome (554242455).

The spelling of 111121344 in words is "one hundred eleven million, one hundred twenty-one thousand, three hundred forty-four".