112121222122 has 16 divisors (see below), whose sum is σ = 206993025792. Its totient is φ = 44355648240.

The previous prime is 112121222117. The next prime is 112121222141. The reversal of 112121222122 is 221222121211.

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 112121222122.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 308025154 + ... + 308025517.

It is an arithmetic number, because the mean of its divisors is an integer number (12937064112).

Almost surely, 2^112121222122 is an apocalyptic number.

112121222122 is a deficient number, since it is larger than the sum of its proper divisors (94871803670).

112121222122 is a wasteful number, since it uses less digits than its factorization.

112121222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616050693.

The product of its digits is 128, while the sum is 19.

Adding to 112121222122 its reverse (221222121211), we get a palindrome (333343343333).

The spelling of 112121222122 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".