222112222122111 has 16 divisors (see below), whose sum is σ = 304500571129440. Its totient is φ = 143926195834880.

The previous prime is 222112222122101. The next prime is 222112222122113. The reversal of 222112222122111 is 111221222211222.

It is a cyclic number.

It is not a de Polignac number, because 222112222122111 - 2¹⁵ = 222112222089343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112222122113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3356454690 + ... + 3356520863.

It is an arithmetic number, because the mean of its divisors is an integer number (19031285695590).

Almost surely, 2^{222112222122111} is an apocalyptic number.

222112222122111 is a deficient number, since it is larger than the sum of its proper divisors (82388349007329).

222112222122111 is a wasteful number, since it uses less digits than its factorization.

222112222122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6712975866.

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

Adding to 222112222122111 its reverse (111221222211222), we get a palindrome (333333444333333).

The spelling of 222112222122111 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred eleven".