14302112221 has 2 divisors, whose sum is σ = 14302112222. Its totient is φ = 14302112220.

The previous prime is 14302112219. The next prime is 14302112233. The reversal of 14302112221 is 12221120341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9263100025 + 5039012196 = 96245^2 + 70986^2 .

It is an emirp because it is prime and its reverse (12221120341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14302112221 - 2¹ = 14302112219 is a prime.

Together with 14302112219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14302112261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7151056110 + 7151056111.

It is an arithmetic number, because the mean of its divisors is an integer number (7151056111).

Almost surely, 2^14302112221 is an apocalyptic number.

It is an amenable number.

14302112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14302112221 is an equidigital number, since it uses as much as digits as its factorization.

14302112221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 14302112221 its reverse (12221120341), we get a palindrome (26523232562).

The spelling of 14302112221 in words is "fourteen billion, three hundred two million, one hundred twelve thousand, two hundred twenty-one".