112181100 has 36 divisors (see below), whose sum is σ = 324578184. Its totient is φ = 29914880.

The previous prime is 112181099. The next prime is 112181107. The reversal of 112181100 is 1181211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112181100.

It is not an unprimeable number, because it can be changed into a prime (112181107) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 186669 + ... + 187268.

Almost surely, 2^112181100 is an apocalyptic number.

112181100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112181100 is an abundant number, since it is smaller than the sum of its proper divisors (212397084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112181100 is a wasteful number, since it uses less digits than its factorization.

112181100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373954 (or 373947 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

The square root of 112181100 is about 10591.5579590540. The cubic root of 112181100 is about 482.2881205251.

The spelling of 112181100 in words is "one hundred twelve million, one hundred eighty-one thousand, one hundred".