112122121221222 has 32 divisors (see below), whose sum is σ = 271354377411072. Its totient is φ = 30150486378624.

The previous prime is 112122121221221. The next prime is 112122121221241. The reversal of 112122121221222 is 222122121221211.

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 = 112122121221192 and 112122121221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122121221221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78516890898 + ... + 78516892325.

It is an arithmetic number, because the mean of its divisors is an integer number (8479824294096).

Almost surely, 2^{112122121221222} is an apocalyptic number.

112122121221222 is an abundant number, since it is smaller than the sum of its proper divisors (159232256189850).

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

112122121221222 is a wasteful number, since it uses less digits than its factorization.

112122121221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157033783252.

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

Adding to 112122121221222 its reverse (222122121221211), we get a palindrome (334244242442433).

The spelling of 112122121221222 in words is "one hundred twelve trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred twenty-two".