112312220100 has 36 divisors (see below), whose sum is σ = 324956691024. Its totient is φ = 29949925280.

The previous prime is 112312220089. The next prime is 112312220201. The reversal of 112312220100 is 1022213211.

It is a super-2 number, since 2×112312220100² (a number of 23 digits) contains 22 as substring.

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 112312220100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187186734 + ... + 187187333.

Almost surely, 2^112312220100 is an apocalyptic number.

112312220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112312220100 is an abundant number, since it is smaller than the sum of its proper divisors (212644470924).

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

112312220100 is a wasteful number, since it uses less digits than its factorization.

112312220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374374084 (or 374374077 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 112312220100 its reverse (1022213211), we get a palindrome (113334433311).

The spelling of 112312220100 in words is "one hundred twelve billion, three hundred twelve million, two hundred twenty thousand, one hundred".