14220134304221 has 2 divisors, whose sum is σ = 14220134304222. Its totient is φ = 14220134304220.

The previous prime is 14220134304199. The next prime is 14220134304247. The reversal of 14220134304221 is 12240343102241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7497465422500 + 6722668881721 = 2738150^2 + 2592811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14220134304221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14220134304251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110067152110 + 7110067152111.

It is an arithmetic number, because the mean of its divisors is an integer number (7110067152111).

Almost surely, 2^{14220134304221} is an apocalyptic number.

It is an amenable number.

14220134304221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14220134304221 is an equidigital number, since it uses as much as digits as its factorization.

14220134304221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 14220134304221 its reverse (12240343102241), we get a palindrome (26460477406462).

The spelling of 14220134304221 in words is "fourteen trillion, two hundred twenty billion, one hundred thirty-four million, three hundred four thousand, two hundred twenty-one".