112222221211122 has 128 divisors (see below), whose sum is σ = 266283272136960. Its totient is φ = 31138360565760.

The previous prime is 112222221211097. The next prime is 112222221211123. The reversal of 112222221211122 is 221112122222211.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 112222221211092 and 112222221211101.

It is not an unprimeable number, because it can be changed into a prime (112222221211123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 459396358 + ... + 459640574.

It is an arithmetic number, because the mean of its divisors is an integer number (2080338063570).

Almost surely, 2^{112222221211122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112222221211122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133141636068480).

112222221211122 is an abundant number, since it is smaller than the sum of its proper divisors (154061050925838).

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

112222221211122 is a wasteful number, since it uses less digits than its factorization.

112222221211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255356.

The product of its digits is 512, while the sum is 24.

Adding to 112222221211122 its reverse (221112122222211), we get a palindrome (333334343433333).

The spelling of 112222221211122 in words is "one hundred twelve trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty-two".