111220316 has 12 divisors (see below), whose sum is σ = 195761832. Its totient is φ = 55288368.

The previous prime is 111220313. The next prime is 111220321. The reversal of 111220316 is 613022111.

It is a super-2 number, since 2×111220316² = 24739917382279712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111220294 and 111220303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220313) 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, 79670 + ... + 81053.

It is an arithmetic number, because the mean of its divisors is an integer number (16313486).

Almost surely, 2^111220316 is an apocalyptic number.

It is an amenable number.

111220316 is a deficient number, since it is larger than the sum of its proper divisors (84541516).

111220316 is a wasteful number, since it uses less digits than its factorization.

111220316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160900 (or 160898 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 111220316 is about 10546.1043044339. The cubic root of 111220316 is about 480.9073059018.

Adding to 111220316 its reverse (613022111), we get a palindrome (724242427).

The spelling of 111220316 in words is "one hundred eleven million, two hundred twenty thousand, three hundred sixteen".