112100000 has 144 divisors (see below), whose sum is σ = 295293600. Its totient is φ = 41760000.

The previous prime is 112099991. The next prime is 112100033. The reversal of 112100000 is 1211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1899971 + ... + 1900029.

It is an arithmetic number, because the mean of its divisors is an integer number (2050650).

Almost surely, 2^112100000 is an apocalyptic number.

112100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147646800).

112100000 is an abundant number, since it is smaller than the sum of its proper divisors (183193600).

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

112100000 is an frugal number, since it uses more digits than its factorization.

112100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 112100000 is about 10587.7287460531. The cubic root of 112100000 is about 482.1718710086.

Adding to 112100000 its reverse (1211), we get a palindrome (112101211).

The spelling of 112100000 in words is "one hundred twelve million, one hundred thousand".