1112120022222 has 48 divisors (see below), whose sum is σ = 2643332590080. Its totient is φ = 335123341200.

The previous prime is 1112120022199. The next prime is 1112120022241. The reversal of 1112120022222 is 2222200212111.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1112120022195 and 1112120022204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15653854 + ... + 15724737.

It is an arithmetic number, because the mean of its divisors is an integer number (55069428960).

Almost surely, 2^{1112120022222} is an apocalyptic number.

1112120022222 is an abundant number, since it is smaller than the sum of its proper divisors (1531212567858).

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

1112120022222 is a wasteful number, since it uses less digits than its factorization.

1112120022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31378789 (or 31378786 counting only the distinct ones).

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

Adding to 1112120022222 its reverse (2222200212111), we get a palindrome (3334320234333).

The spelling of 1112120022222 in words is "one trillion, one hundred twelve billion, one hundred twenty million, twenty-two thousand, two hundred twenty-two".