12211111210222 has 8 divisors (see below), whose sum is σ = 18316702777536. Its totient is φ = 6105543617712.

The previous prime is 12211111210189. The next prime is 12211111210247. The reversal of 12211111210222 is 22201211111221.

It is a happy number.

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

It is a super-2 number, since 2×12211111210222² (a number of 27 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 12211111210222.

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, 4661118 + ... + 6793249.

It is an arithmetic number, because the mean of its divisors is an integer number (2289587847192).

Almost surely, 2^{12211111210222} is an apocalyptic number.

12211111210222 is a deficient number, since it is larger than the sum of its proper divisors (6105591567314).

12211111210222 is a wasteful number, since it uses less digits than its factorization.

12211111210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11987402.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12211111210222 its reverse (22201211111221), we get a palindrome (34412322321443).

Subtracting 12211111210222 from its reverse (22201211111221), we obtain a palindrome (9990099900999).

The spelling of 12211111210222 in words is "twelve trillion, two hundred eleven billion, one hundred eleven million, two hundred ten thousand, two hundred twenty-two".