2212112221122 has 16 divisors (see below), whose sum is σ = 4424367352320. Its totient is φ = 737346922032.

The previous prime is 2212112221103. The next prime is 2212112221177. The reversal of 2212112221122 is 2211222112122.

It is a nude number because it is divisible by every one 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, 5752833 + ... + 6125300.

It is an arithmetic number, because the mean of its divisors is an integer number (276522959520).

Almost surely, 2^{2212112221122} is an apocalyptic number.

2212112221122 is an abundant number, since it is smaller than the sum of its proper divisors (2212255131198).

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

2212112221122 is a wasteful number, since it uses less digits than its factorization.

2212112221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11909177.

The product of its digits is 256, while the sum is 21.

Adding to 2212112221122 its reverse (2211222112122), we get a palindrome (4423334333244).

The spelling of 2212112221122 in words is "two trillion, two hundred twelve billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-two".