14253222051421 has 2 divisors, whose sum is σ = 14253222051422. Its totient is φ = 14253222051420.

The previous prime is 14253222051413. The next prime is 14253222051433. The reversal of 14253222051421 is 12415022235241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14144180765625 + 109041285796 = 3760875^2 + 330214^2 .

It is a cyclic number.

It is not a de Polignac number, because 14253222051421 - 2³ = 14253222051413 is a prime.

It is a super-2 number, since 2×14253222051421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14253222051461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7126611025710 + 7126611025711.

It is an arithmetic number, because the mean of its divisors is an integer number (7126611025711).

Almost surely, 2^{14253222051421} is an apocalyptic number.

It is an amenable number.

14253222051421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14253222051421 is an equidigital number, since it uses as much as digits as its factorization.

14253222051421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 14253222051421 its reverse (12415022235241), we get a palindrome (26668244286662).

It can be divided in two parts, 1425322 and 2051421, that added together give a palindrome (3476743).

The spelling of 14253222051421 in words is "fourteen trillion, two hundred fifty-three billion, two hundred twenty-two million, fifty-one thousand, four hundred twenty-one".