13321331101061 has 2 divisors, whose sum is σ = 13321331101062. Its totient is φ = 13321331101060.

The previous prime is 13321331101021. The next prime is 13321331101073. The reversal of 13321331101061 is 16010113312331.

It is a happy number.

13321331101061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11480644656100 + 1840686444961 = 3388310^2 + 1356719^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321331101061 - 2¹⁰ = 13321331100037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13321331101061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13321331101021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660665550530 + 6660665550531.

It is an arithmetic number, because the mean of its divisors is an integer number (6660665550531).

Almost surely, 2^{13321331101061} is an apocalyptic number.

It is an amenable number.

13321331101061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321331101061 is an equidigital number, since it uses as much as digits as its factorization.

13321331101061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 13321331101061 its reverse (16010113312331), we get a palindrome (29331444413392).

The spelling of 13321331101061 in words is "thirteen trillion, three hundred twenty-one billion, three hundred thirty-one million, one hundred one thousand, sixty-one".