222111101111222 has 16 divisors (see below), whose sum is σ = 342552050132544. Its totient is φ = 107947074600000.

The previous prime is 222111101111209. The next prime is 222111101111293.

It is a happy number.

222111101111222 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222111101111194 and 222111101111203.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4997527529 + ... + 4997571972.

It is an arithmetic number, because the mean of its divisors is an integer number (21409503133284).

Almost surely, 2^{222111101111222} is an apocalyptic number.

222111101111222 is a deficient number, since it is larger than the sum of its proper divisors (120440949021322).

222111101111222 is a wasteful number, since it uses less digits than its factorization.

222111101111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9995099815.

The product of its (nonzero) digits is 64, while the sum is 20.

It can be divided in two parts, 22211110 and 1111222, that added together give a palindrome (23322332).

The spelling of 222111101111222 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred one million, one hundred eleven thousand, two hundred twenty-two".