112120021222002 has 24 divisors (see below), whose sum is σ = 243791220532860. Its totient is φ = 37240339194240.

The previous prime is 112120021221941. The next prime is 112120021222049. The reversal of 112120021222002 is 200222120021211.

It is a happy number.

112120021222002 is a `hidden beast` number, since 11 + 21 + 200 + 212 + 220 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 102720272280201 + 9399748941801 = 10135101^2 + 3065901^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11083429227 + ... + 11083439342.

Almost surely, 2^{112120021222002} is an apocalyptic number.

112120021222002 is an abundant number, since it is smaller than the sum of its proper divisors (131671199310858).

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

112120021222002 is a wasteful number, since it uses less digits than its factorization.

112120021222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22166868858 (or 22166868855 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112120021222002 its reverse (200222120021211), we get a palindrome (312342141243213).

The spelling of 112120021222002 in words is "one hundred twelve trillion, one hundred twenty billion, twenty-one million, two hundred twenty-two thousand, two".