11313221331001 has 2 divisors, whose sum is σ = 11313221331002. Its totient is φ = 11313221331000.

The previous prime is 11313221330881. The next prime is 11313221331007. The reversal of 11313221331001 is 10013312231311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7699709277225 + 3613512053776 = 2774835^2 + 1900924^2 .

It is a cyclic number.

It is not a de Polignac number, because 11313221331001 - 2¹¹ = 11313221328953 is a prime.

It is not a weakly prime, because it can be changed into another prime (11313221331007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656610665500 + 5656610665501.

It is an arithmetic number, because the mean of its divisors is an integer number (5656610665501).

Almost surely, 2^{11313221331001} is an apocalyptic number.

It is an amenable number.

11313221331001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313221331001 is an equidigital number, since it uses as much as digits as its factorization.

11313221331001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 11313221331001 its reverse (10013312231311), we get a palindrome (21326533562312).

The spelling of 11313221331001 in words is "eleven trillion, three hundred thirteen billion, two hundred twenty-one million, three hundred thirty-one thousand, one".