111422122112 has 64 divisors (see below), whose sum is σ = 255203706240. Its totient is φ = 47466332160.

The previous prime is 111422122099. The next prime is 111422122121. The reversal of 111422122112 is 211221224111.

It is a tau number, because it is divible by the number of its divisors (64).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222689 + ... + 521952.

It is an arithmetic number, because the mean of its divisors is an integer number (3987557910).

Almost surely, 2^111422122112 is an apocalyptic number.

It is an amenable number.

111422122112 is an abundant number, since it is smaller than the sum of its proper divisors (143781584128).

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

111422122112 is an equidigital number, since it uses as much as digits as its factorization.

111422122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744829 (or 744817 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

Adding to 111422122112 its reverse (211221224111), we get a palindrome (322643346223).

The spelling of 111422122112 in words is "one hundred eleven billion, four hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".