111121316 has 24 divisors (see below), whose sum is σ = 210928536. Its totient is φ = 51015680.

The previous prime is 111121289. The next prime is 111121327. The reversal of 111121316 is 613121111.

It can be written as a sum of positive squares in 4 ways, for example, as 32444416 + 78676900 = 5696^2 + 8870^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 111121294 and 111121303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17141 + ... + 22716.

It is an arithmetic number, because the mean of its divisors is an integer number (8788689).

Almost surely, 2^111121316 is an apocalyptic number.

It is an amenable number.

111121316 is a deficient number, since it is larger than the sum of its proper divisors (99807220).

111121316 is a wasteful number, since it uses less digits than its factorization.

111121316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39919 (or 39917 counting only the distinct ones).

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

The square root of 111121316 is about 10541.4095831630. The cubic root of 111121316 is about 480.7645743152.

Adding to 111121316 its reverse (613121111), we get a palindrome (724242427).

The spelling of 111121316 in words is "one hundred eleven million, one hundred twenty-one thousand, three hundred sixteen".