14002023220021 has 2 divisors, whose sum is σ = 14002023220022. Its totient is φ = 14002023220020.

The previous prime is 14002023220007. The next prime is 14002023220061. The reversal of 14002023220021 is 12002232020041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7295865579396 + 6706157640625 = 2701086^2 + 2589625^2 .

It is a cyclic number.

It is not a de Polignac number, because 14002023220021 - 2⁷ = 14002023219893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14002023220001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7001011610010 + 7001011610011.

It is an arithmetic number, because the mean of its divisors is an integer number (7001011610011).

Almost surely, 2^{14002023220021} is an apocalyptic number.

It is an amenable number.

14002023220021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14002023220021 is an equidigital number, since it uses as much as digits as its factorization.

14002023220021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 14002023220021 its reverse (12002232020041), we get a palindrome (26004255240062).

The spelling of 14002023220021 in words is "fourteen trillion, two billion, twenty-three million, two hundred twenty thousand, twenty-one".