22112102122222 has 16 divisors (see below), whose sum is σ = 39901537664640. Its totient is φ = 8977845974328.

The previous prime is 22112102122147. The next prime is 22112102122261. The reversal of 22112102122222 is 22222120121122.

It is a junction number, because it is equal to n+sod(n) for n = 22112102122193 and 22112102122202.

It is a congruent number.

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, 41564101468 + ... + 41564101999.

It is an arithmetic number, because the mean of its divisors is an integer number (2493846104040).

Almost surely, 2^{22112102122222} is an apocalyptic number.

22112102122222 is a deficient number, since it is larger than the sum of its proper divisors (17789435542418).

22112102122222 is a wasteful number, since it uses less digits than its factorization.

22112102122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83128203495.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22112102122222 its reverse (22222120121122), we get a palindrome (44334222243344).

The spelling of 22112102122222 in words is "twenty-two trillion, one hundred twelve billion, one hundred two million, one hundred twenty-two thousand, two hundred twenty-two".