201112115 has 16 divisors (see below), whose sum is σ = 255384576. Its totient is φ = 151720800.

The previous prime is 201112111. The next prime is 201112189. The reversal of 201112115 is 511211102.

It is not a de Polignac number, because 201112115 - 2² = 201112111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201112115.

It is not an unprimeable number, because it can be changed into a prime (201112111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4151 + ... + 20480.

It is an arithmetic number, because the mean of its divisors is an integer number (15961536).

Almost surely, 2^201112115 is an apocalyptic number.

201112115 is a deficient number, since it is larger than the sum of its proper divisors (54272461).

201112115 is a wasteful number, since it uses less digits than its factorization.

201112115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24730.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 201112115 is about 14181.4003187273. The cubic root of 201112115 is about 585.8854926972.

Adding to 201112115 its reverse (511211102), we get a palindrome (712323217).

The spelling of 201112115 in words is "two hundred one million, one hundred twelve thousand, one hundred fifteen".