112111120120122 has 24 divisors (see below), whose sum is σ = 242907663479520. Its totient is φ = 37370336980680.

The previous prime is 112111120120121. The next prime is 112111120120147. The reversal of 112111120120122 is 221021021111211.

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 = 112111120120095 and 112111120120104.

It is not an unprimeable number, because it can be changed into a prime (112111120120121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21195597 + ... + 25951407.

It is an arithmetic number, because the mean of its divisors is an integer number (10121152644980).

Almost surely, 2^{112111120120122} is an apocalyptic number.

112111120120122 is an abundant number, since it is smaller than the sum of its proper divisors (130796543359398).

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

112111120120122 is a wasteful number, since it uses less digits than its factorization.

112111120120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065458 (or 6065455 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112111120120122 its reverse (221021021111211), we get a palindrome (333132141231333).

The spelling of 112111120120122 in words is "one hundred twelve trillion, one hundred eleven billion, one hundred twenty million, one hundred twenty thousand, one hundred twenty-two".