14213444210221 has 16 divisors (see below), whose sum is σ = 15193493481600. Its totient is φ = 13263582196480.

The previous prime is 14213444210131. The next prime is 14213444210227. The reversal of 14213444210221 is 12201244431241.

It is a cyclic number.

It is not a de Polignac number, because 14213444210221 - 2¹³ = 14213444202029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14213444210227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51774306 + ... + 52048108.

It is an arithmetic number, because the mean of its divisors is an integer number (949593342600).

Almost surely, 2^{14213444210221} is an apocalyptic number.

It is an amenable number.

14213444210221 is a deficient number, since it is larger than the sum of its proper divisors (980049271379).

14213444210221 is a wasteful number, since it uses less digits than its factorization.

14213444210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328916.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 14213444210221 its reverse (12201244431241), we get a palindrome (26414688641462).

The spelling of 14213444210221 in words is "fourteen trillion, two hundred thirteen billion, four hundred forty-four million, two hundred ten thousand, two hundred twenty-one".