2112213321222 has 8 divisors (see below), whose sum is σ = 4224426642456. Its totient is φ = 704071107072.

The previous prime is 2112213321221. The next prime is 2112213321233. The reversal of 2112213321222 is 2221233122112.

It is a sphenic number, since it is the product of 3 distinct primes.

2112213321222 is an admirable number.

It is a super-2 number, since 2×2112213321222² (a number of 25 digits) contains 22 as substring.

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 = 2112213321192 and 2112213321201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112213321221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176017776763 + ... + 176017776774.

It is an arithmetic number, because the mean of its divisors is an integer number (528053330307).

Almost surely, 2^{2112213321222} is an apocalyptic number.

2112213321222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2112213321222 is a wasteful number, since it uses less digits than its factorization.

2112213321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352035553542.

The product of its digits is 1152, while the sum is 24.

Adding to 2112213321222 its reverse (2221233122112), we get a palindrome (4333446443334).

The spelling of 2112213321222 in words is "two trillion, one hundred twelve billion, two hundred thirteen million, three hundred twenty-one thousand, two hundred twenty-two".