13001110021 has 2 divisors, whose sum is σ = 13001110022. Its totient is φ = 13001110020.

The previous prime is 13001110013. The next prime is 13001110033. The reversal of 13001110021 is 12001110031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9237900996 + 3763209025 = 96114^2 + 61345^2 .

It is a cyclic number.

It is not a de Polignac number, because 13001110021 - 2³ = 13001110013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13001110091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500555010 + 6500555011.

It is an arithmetic number, because the mean of its divisors is an integer number (6500555011).

Almost surely, 2^13001110021 is an apocalyptic number.

It is an amenable number.

13001110021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13001110021 is an equidigital number, since it uses as much as digits as its factorization.

13001110021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 13001110021 its sum of digits (10), we get a palindrome (13001110031).

Adding to 13001110021 its reverse (12001110031), we get a palindrome (25002220052).

The spelling of 13001110021 in words is "thirteen billion, one million, one hundred ten thousand, twenty-one".