14201322421 has 24 divisors (see below), whose sum is σ = 16853550392. Its totient is φ = 11886652800.

The previous prime is 14201322391. The next prime is 14201322427. The reversal of 14201322421 is 12422310241.

It can be written as a sum of positive squares in 4 ways, for example, as 19847025 + 14181475396 = 4455^2 + 119086^2 .

It is not a de Polignac number, because 14201322421 - 2¹⁹ = 14200798133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14201322392 and 14201322401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14201322427) 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 23 ways as a sum of consecutive naturals, for example, 613111 + ... + 635851.

Almost surely, 2^14201322421 is an apocalyptic number.

14201322421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14201322421 is a deficient number, since it is larger than the sum of its proper divisors (2652227971).

14201322421 is a wasteful number, since it uses less digits than its factorization.

14201322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23173 (or 23162 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 14201322421 its reverse (12422310241), we get a palindrome (26623632662).

The spelling of 14201322421 in words is "fourteen billion, two hundred one million, three hundred twenty-two thousand, four hundred twenty-one".