14210233211221 has 2 divisors, whose sum is σ = 14210233211222. Its totient is φ = 14210233211220.

The previous prime is 14210233211191. The next prime is 14210233211263. The reversal of 14210233211221 is 12211233201241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11753995128100 + 2456238083121 = 3428410^2 + 1567239^2 .

It is a cyclic number.

It is not a de Polignac number, because 14210233211221 - 2⁵ = 14210233211189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14210233211021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7105116605610 + 7105116605611.

It is an arithmetic number, because the mean of its divisors is an integer number (7105116605611).

Almost surely, 2^{14210233211221} is an apocalyptic number.

It is an amenable number.

14210233211221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14210233211221 is an equidigital number, since it uses as much as digits as its factorization.

14210233211221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 14210233211221 its reverse (12211233201241), we get a palindrome (26421466412462).

The spelling of 14210233211221 in words is "fourteen trillion, two hundred ten billion, two hundred thirty-three million, two hundred eleven thousand, two hundred twenty-one".