111113216 has 44 divisors (see below), whose sum is σ = 233849280. Its totient is φ = 52623360.

The previous prime is 111113213. The next prime is 111113221. The reversal of 111113216 is 612311111.

It is a super-2 number, since 2×111113216² = 24692293539725312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111113194 and 111113203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111113213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16601 + ... + 22311.

Almost surely, 2^111113216 is an apocalyptic number.

111113216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111113216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116924640).

111113216 is an abundant number, since it is smaller than the sum of its proper divisors (122736064).

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

111113216 is an equidigital number, since it uses as much as digits as its factorization.

111113216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750 (or 5732 counting only the distinct ones).

The product of its digits is 36, while the sum is 17.

The square root of 111113216 is about 10541.0253770684. The cubic root of 111113216 is about 480.7528925251.

Adding to 111113216 its reverse (612311111), we get a palindrome (723424327).

The spelling of 111113216 in words is "one hundred eleven million, one hundred thirteen thousand, two hundred sixteen".