112121221896 has 80 divisors (see below), whose sum is σ = 314105932800. Its totient is φ = 37366279776.

The previous prime is 112121221889. The next prime is 112121221931. The reversal of 112121221896 is 698122121211.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 112121221896.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3924961 + ... + 3953423.

It is an arithmetic number, because the mean of its divisors is an integer number (3926324160).

Almost surely, 2^112121221896 is an apocalyptic number.

It is an amenable number.

112121221896 is an abundant number, since it is smaller than the sum of its proper divisors (201984710904).

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

112121221896 is a wasteful number, since it uses less digits than its factorization.

112121221896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34560 (or 34547 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The spelling of 112121221896 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred twenty-one thousand, eight hundred ninety-six".