100112115 has 32 divisors (see below), whose sum is σ = 164606976. Its totient is φ = 51932160.

The previous prime is 100112107. The next prime is 100112141. The reversal of 100112115 is 511211001.

It is not a de Polignac number, because 100112115 - 2³ = 100112107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100112115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148419 + ... + 149091.

It is an arithmetic number, because the mean of its divisors is an integer number (5143968).

Almost surely, 2^100112115 is an apocalyptic number.

100112115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100112115 is a deficient number, since it is larger than the sum of its proper divisors (64494861).

100112115 is a wasteful number, since it uses less digits than its factorization.

100112115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939.

The product of its (nonzero) digits is 10, while the sum is 12.

The square root of 100112115 is about 10005.6041796585. The cubic root of 100112115 is about 464.3322824860.

Adding to 100112115 its reverse (511211001), we get a palindrome (611323116).

The spelling of 100112115 in words is "one hundred million, one hundred twelve thousand, one hundred fifteen".