14440213121 has 2 divisors, whose sum is σ = 14440213122. Its totient is φ = 14440213120.

The previous prime is 14440213091. The next prime is 14440213129. The reversal of 14440213121 is 12131204441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7852618225 + 6587594896 = 88615^2 + 81164^2 .

It is an emirp because it is prime and its reverse (12131204441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14440213121 - 2¹⁴ = 14440196737 is a prime.

It is not a weakly prime, because it can be changed into another prime (14440213129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7220106560 + 7220106561.

It is an arithmetic number, because the mean of its divisors is an integer number (7220106561).

Almost surely, 2^14440213121 is an apocalyptic number.

It is an amenable number.

14440213121 is a deficient number, since it is larger than the sum of its proper divisors (1).

14440213121 is an equidigital number, since it uses as much as digits as its factorization.

14440213121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 14440213121 its reverse (12131204441), we get a palindrome (26571417562).

The spelling of 14440213121 in words is "fourteen billion, four hundred forty million, two hundred thirteen thousand, one hundred twenty-one".