13311230000221 has 2 divisors, whose sum is σ = 13311230000222. Its totient is φ = 13311230000220.

The previous prime is 13311230000197. The next prime is 13311230000269. The reversal of 13311230000221 is 12200003211331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10938431728900 + 2372798271321 = 3307330^2 + 1540389^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311230000221 - 2⁷ = 13311230000093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13311230009221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655615000110 + 6655615000111.

It is an arithmetic number, because the mean of its divisors is an integer number (6655615000111).

Almost surely, 2^{13311230000221} is an apocalyptic number.

It is an amenable number.

13311230000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311230000221 is an equidigital number, since it uses as much as digits as its factorization.

13311230000221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13311230000221 its reverse (12200003211331), we get a palindrome (25511233211552).

The spelling of 13311230000221 in words is "thirteen trillion, three hundred eleven billion, two hundred thirty million, two hundred twenty-one", and thus it is an aban number.