14256005201021 has 2 divisors, whose sum is σ = 14256005201022. Its totient is φ = 14256005201020.

The previous prime is 14256005201017. The next prime is 14256005201051. The reversal of 14256005201021 is 12010250065241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13982252311225 + 273752889796 = 3739285^2 + 523214^2 .

It is a cyclic number.

It is not a de Polignac number, because 14256005201021 - 2² = 14256005201017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14256005201051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7128002600510 + 7128002600511.

It is an arithmetic number, because the mean of its divisors is an integer number (7128002600511).

Almost surely, 2^{14256005201021} is an apocalyptic number.

It is an amenable number.

14256005201021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14256005201021 is an equidigital number, since it uses as much as digits as its factorization.

14256005201021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 14256005201021 its reverse (12010250065241), we get a palindrome (26266255266262).

The spelling of 14256005201021 in words is "fourteen trillion, two hundred fifty-six billion, five million, two hundred one thousand, twenty-one".