111304216 has 16 divisors (see below), whose sum is σ = 209013840. Its totient is φ = 55567200.

The previous prime is 111304213. The next prime is 111304231. The reversal of 111304216 is 612403111.

It is a junction number, because it is equal to n+sod(n) for n = 111304193 and 111304202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111304211) 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, 4860 + ... + 15691.

It is an arithmetic number, because the mean of its divisors is an integer number (13063365).

Almost surely, 2^111304216 is an apocalyptic number.

It is an amenable number.

111304216 is a deficient number, since it is larger than the sum of its proper divisors (97709624).

111304216 is a wasteful number, since it uses less digits than its factorization.

111304216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21234 (or 21230 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 111304216 is about 10550.0813267008. The cubic root of 111304216 is about 481.0282010255.

Adding to 111304216 its reverse (612403111), we get a palindrome (723707327).

The spelling of 111304216 in words is "one hundred eleven million, three hundred four thousand, two hundred sixteen".