12221101200111 has 16 divisors (see below), whose sum is σ = 16596302568960. Its totient is φ = 7997708214720.

The previous prime is 12221101200109. The next prime is 12221101200149. The reversal of 12221101200111 is 11100210112221.

It is a happy number.

It is not a de Polignac number, because 12221101200111 - 2¹ = 12221101200109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221101200151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132191031 + ... + 132283448.

It is an arithmetic number, because the mean of its divisors is an integer number (1037268910560).

Almost surely, 2^{12221101200111} is an apocalyptic number.

12221101200111 is a deficient number, since it is larger than the sum of its proper divisors (4375201368849).

12221101200111 is a wasteful number, since it uses less digits than its factorization.

12221101200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264474766.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12221101200111 its reverse (11100210112221), we get a palindrome (23321311312332).

The spelling of 12221101200111 in words is "twelve trillion, two hundred twenty-one billion, one hundred one million, two hundred thousand, one hundred eleven".