12210221211122 has 32 divisors (see below), whose sum is σ = 21544934644800. Its totient is φ = 5129746329600.

The previous prime is 12210221211077. The next prime is 12210221211151. The reversal of 12210221211122 is 22111212201221.

It is a junction number, because it is equal to n+sod(n) for n = 12210221211094 and 12210221211103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356215247 + ... + 356249522.

It is an arithmetic number, because the mean of its divisors is an integer number (673279207650).

Almost surely, 2^{12210221211122} is an apocalyptic number.

12210221211122 is a deficient number, since it is larger than the sum of its proper divisors (9334713433678).

12210221211122 is a wasteful number, since it uses less digits than its factorization.

12210221211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712464842.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12210221211122 its reverse (22111212201221), we get a palindrome (34321433412343).

Subtracting 12210221211122 from its reverse (22111212201221), we obtain a palindrome (9900990990099).

The spelling of 12210221211122 in words is "twelve trillion, two hundred ten billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty-two".