12111322222 has 16 divisors (see below), whose sum is σ = 18301574160. Its totient is φ = 6010920448.

The previous prime is 12111322211. The next prime is 12111322243. The reversal of 12111322222 is 22222311121.

12111322222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12111322222² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12111322222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169038 + ... + 229774.

It is an arithmetic number, because the mean of its divisors is an integer number (1143848385).

Almost surely, 2^12111322222 is an apocalyptic number.

12111322222 is a deficient number, since it is larger than the sum of its proper divisors (6190251938).

12111322222 is a wasteful number, since it uses less digits than its factorization.

12111322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61475.

The product of its digits is 192, while the sum is 19.

Adding to 12111322222 its reverse (22222311121), we get a palindrome (34333633343).

The spelling of 12111322222 in words is "twelve billion, one hundred eleven million, three hundred twenty-two thousand, two hundred twenty-two".