12201222111122 has 16 divisors (see below), whose sum is σ = 19969635087072. Its totient is φ = 5544899243520.

The previous prime is 12201222111109. The next prime is 12201222111161. The reversal of 12201222111122 is 22111122210221.

It is a junction number, because it is equal to n+sod(n) for n = 12201222111094 and 12201222111103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55428008 + ... + 55647699.

It is an arithmetic number, because the mean of its divisors is an integer number (1248102192942).

Almost surely, 2^{12201222111122} is an apocalyptic number.

12201222111122 is a deficient number, since it is larger than the sum of its proper divisors (7768412975950).

12201222111122 is a wasteful number, since it uses less digits than its factorization.

12201222111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111080713.

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

Adding to 12201222111122 its reverse (22111122210221), we get a palindrome (34312344321343).

Subtracting 12201222111122 from its reverse (22111122210221), we obtain a palindrome (9909900099099).

The spelling of 12201222111122 in words is "twelve trillion, two hundred one billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twenty-two".