13201321131109 has 2 divisors, whose sum is σ = 13201321131110. Its totient is φ = 13201321131108.

The previous prime is 13201321131077. The next prime is 13201321131121. The reversal of 13201321131109 is 90113112310231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7612754210884 + 5588566920225 = 2759122^2 + 2364015^2 .

It is a cyclic number.

It is not a de Polignac number, because 13201321131109 - 2⁵ = 13201321131077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13201321131179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600660565554 + 6600660565555.

It is an arithmetic number, because the mean of its divisors is an integer number (6600660565555).

Almost surely, 2^{13201321131109} is an apocalyptic number.

It is an amenable number.

13201321131109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201321131109 is an equidigital number, since it uses as much as digits as its factorization.

13201321131109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 13201321131109 in words is "thirteen trillion, two hundred one billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred nine".