12201222111121 has 8 divisors (see below), whose sum is σ = 13011883083360. Its totient is φ = 11400888030528.

The previous prime is 12201222111109. The next prime is 12201222111161. The reversal of 12201222111121 is 12111122210221.

It is a happy number.

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

It is not a de Polignac number, because 12201222111121 - 2⁷ = 12201222110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201222111161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2581720471 + ... + 2581725196.

It is an arithmetic number, because the mean of its divisors is an integer number (1626485385420).

Almost surely, 2^{12201222111121} is an apocalyptic number.

It is an amenable number.

12201222111121 is a deficient number, since it is larger than the sum of its proper divisors (810660972239).

12201222111121 is a wasteful number, since it uses less digits than its factorization.

12201222111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5163445823.

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

Adding to 12201222111121 its reverse (12111122210221), we get a palindrome (24312344321342).

The spelling of 12201222111121 in words is "twelve trillion, two hundred one billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twenty-one".