12221120110201 has 4 divisors (see below), whose sum is σ = 12221127114100. Its totient is φ = 12221113106304.

The previous prime is 12221120110159. The next prime is 12221120110207. The reversal of 12221120110201 is 10201102112221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3261993597801 + 8959126512400 = 1806099^2 + 2993180^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221120110201 - 2²³ = 12221111721593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221120110207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441645 + ... + 5149813.

It is an arithmetic number, because the mean of its divisors is an integer number (3055281778525).

Almost surely, 2^{12221120110201} is an apocalyptic number.

It is an amenable number.

12221120110201 is a deficient number, since it is larger than the sum of its proper divisors (7003899).

12221120110201 is an equidigital number, since it uses as much as digits as its factorization.

12221120110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7003898.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12221120110201 its reverse (10201102112221), we get a palindrome (22422222222422).

The spelling of 12221120110201 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty million, one hundred ten thousand, two hundred one".