12110221222 has 8 divisors (see below), whose sum is σ = 19816725672. Its totient is φ = 5504646000.

The previous prime is 12110221171. The next prime is 12110221229. The reversal of 12110221222 is 22212201121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12110221196 and 12110221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110221229) 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 3 ways as a sum of consecutive naturals, for example, 275232279 + ... + 275232322.

It is an arithmetic number, because the mean of its divisors is an integer number (2477090709).

Almost surely, 2^12110221222 is an apocalyptic number.

12110221222 is a deficient number, since it is larger than the sum of its proper divisors (7706504450).

12110221222 is a wasteful number, since it uses less digits than its factorization.

12110221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550464614.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12110221222 its reverse (22212201121), we get a palindrome (34322422343).

It can be divided in two parts, 12110 and 221222, that added together give a palindrome (233332).

The spelling of 12110221222 in words is "twelve billion, one hundred ten million, two hundred twenty-one thousand, two hundred twenty-two".