222111112222 has 8 divisors (see below), whose sum is σ = 350701756200. Its totient is φ = 105210526824.

The previous prime is 222111112207. The next prime is 222111112331. The reversal of 222111112222 is 222211111222.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 222111112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2922514597 + ... + 2922514672.

It is an arithmetic number, because the mean of its divisors is an integer number (43837719525).

Almost surely, 2^222111112222 is an apocalyptic number.

222111112222 is a deficient number, since it is larger than the sum of its proper divisors (128590643978).

222111112222 is a wasteful number, since it uses less digits than its factorization.

222111112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845029290.

The product of its digits is 128, while the sum is 19.

Adding to 222111112222 its reverse (222211111222), we get a palindrome (444322223444).

It can be divided in two parts, 22211111222 and 2, that multiplied together give a palindrome (44422222444).

The spelling of 222111112222 in words is "two hundred twenty-two billion, one hundred eleven million, one hundred twelve thousand, two hundred twenty-two".