222111000111222 has 24 divisors (see below), whose sum is σ = 494247000248976. Its totient is φ = 72036000035856.

The previous prime is 222111000111197. The next prime is 222111000111263.

222111000111222 is a `hidden beast` number, since 2 + 221 + 110 + 0 + 0 + 111 + 222 = 666.

222111000111222 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222111000111195 and 222111000111204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166749999418 + ... + 166750000749.

It is an arithmetic number, because the mean of its divisors is an integer number (20593625010374).

Almost surely, 2^{222111000111222} is an apocalyptic number.

222111000111222 is an abundant number, since it is smaller than the sum of its proper divisors (272136000137754).

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

222111000111222 is a wasteful number, since it uses less digits than its factorization.

222111000111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333500000212 (or 333500000209 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

It can be divided in two parts, 222111000 and 111222, that added together give a palindrome (222222222).

The spelling of 222111000111222 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred eleven thousand, two hundred twenty-two".