111220315 has 8 divisors (see below), whose sum is σ = 133576560. Its totient is φ = 88901472.

The previous prime is 111220313. The next prime is 111220321. The reversal of 111220315 is 513022111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111220315 - 2¹ = 111220313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111220313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2325 + ... + 15094.

It is an arithmetic number, because the mean of its divisors is an integer number (16697070).

Almost surely, 2^111220315 is an apocalyptic number.

111220315 is a deficient number, since it is larger than the sum of its proper divisors (22356245).

111220315 is a wasteful number, since it uses less digits than its factorization.

111220315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18701.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 111220315 is about 10546.1042570231. The cubic root of 111220315 is about 480.9073044605.

Adding to 111220315 its reverse (513022111), we get a palindrome (624242426).

The spelling of 111220315 in words is "one hundred eleven million, two hundred twenty thousand, three hundred fifteen".