14141220521 has 2 divisors, whose sum is σ = 14141220522. Its totient is φ = 14141220520.

The previous prime is 14141220503. The next prime is 14141220607. The reversal of 14141220521 is 12502214141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13641072025 + 500148496 = 116795^2 + 22364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14141220521 is a prime.

It is a super-2 number, since 2×14141220521² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14141226521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7070610260 + 7070610261.

It is an arithmetic number, because the mean of its divisors is an integer number (7070610261).

Almost surely, 2^14141220521 is an apocalyptic number.

It is an amenable number.

14141220521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14141220521 is an equidigital number, since it uses as much as digits as its factorization.

14141220521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 14141220521 its reverse (12502214141), we get a palindrome (26643434662).

The spelling of 14141220521 in words is "fourteen billion, one hundred forty-one million, two hundred twenty thousand, five hundred twenty-one".