21330003102013 has 2 divisors, whose sum is σ = 21330003102014. Its totient is φ = 21330003102012.

The previous prime is 21330003102007. The next prime is 21330003102029. The reversal of 21330003102013 is 31020130003312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20037422837124 + 1292580264889 = 4476318^2 + 1136917^2 .

It is a cyclic number.

It is not a de Polignac number, because 21330003102013 - 2⁹ = 21330003101501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21330003102613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10665001551006 + 10665001551007.

It is an arithmetic number, because the mean of its divisors is an integer number (10665001551007).

Almost surely, 2^{21330003102013} is an apocalyptic number.

It is an amenable number.

21330003102013 is a deficient number, since it is larger than the sum of its proper divisors (1).

21330003102013 is an equidigital number, since it uses as much as digits as its factorization.

21330003102013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21330003102013 its reverse (31020130003312), we get a palindrome (52350133105325).

The spelling of 21330003102013 in words is "twenty-one trillion, three hundred thirty billion, three million, one hundred two thousand, thirteen".