14031402401021 has 2 divisors, whose sum is σ = 14031402401022. Its totient is φ = 14031402401020.

The previous prime is 14031402400963. The next prime is 14031402401099. The reversal of 14031402401021 is 12010420413041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10213329388900 + 3818073012121 = 3195830^2 + 1953989^2 .

It is an emirp because it is prime and its reverse (12010420413041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14031402401021 - 2¹⁰ = 14031402399997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14031402481021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7015701200510 + 7015701200511.

It is an arithmetic number, because the mean of its divisors is an integer number (7015701200511).

Almost surely, 2^{14031402401021} is an apocalyptic number.

It is an amenable number.

14031402401021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14031402401021 is an equidigital number, since it uses as much as digits as its factorization.

14031402401021 is an evil number, because the sum of its binary digits is even.

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

Adding to 14031402401021 its reverse (12010420413041), we get a palindrome (26041822814062).

The spelling of 14031402401021 in words is "fourteen trillion, thirty-one billion, four hundred two million, four hundred one thousand, twenty-one".