111343120 has 40 divisors (see below), whose sum is σ = 295856064. Its totient is φ = 38174592.

The previous prime is 111343091. The next prime is 111343129. The reversal of 111343120 is 21343111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111343094 and 111343103.

It is not an unprimeable number, because it can be changed into a prime (111343129) 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, 98854 + ... + 99973.

Almost surely, 2^111343120 is an apocalyptic number.

111343120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111343120 is an abundant number, since it is smaller than the sum of its proper divisors (184512944).

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

111343120 is a wasteful number, since it uses less digits than its factorization.

111343120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198847 (or 198841 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 111343120 is about 10551.9249428718. The cubic root of 111343120 is about 481.0842388585.

Adding to 111343120 its reverse (21343111), we get a palindrome (132686231).

Subtracting from 111343120 its reverse (21343111), we obtain a palindrome (90000009).

The spelling of 111343120 in words is "one hundred eleven million, three hundred forty-three thousand, one hundred twenty".