11103313221001 has 2 divisors, whose sum is σ = 11103313221002. Its totient is φ = 11103313221000.

The previous prime is 11103313220969. The next prime is 11103313221041. The reversal of 11103313221001 is 10012231330111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8595685785600 + 2507627435401 = 2931840^2 + 1583549^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103313221001 - 2⁵ = 11103313220969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11103313221001.

It is not a weakly prime, because it can be changed into another prime (11103313221041) 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, 5551656610500 + 5551656610501.

It is an arithmetic number, because the mean of its divisors is an integer number (5551656610501).

Almost surely, 2^{11103313221001} is an apocalyptic number.

It is an amenable number.

11103313221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103313221001 is an equidigital number, since it uses as much as digits as its factorization.

11103313221001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11103313221001 its reverse (10012231330111), we get a palindrome (21115544551112).

The spelling of 11103313221001 in words is "eleven trillion, one hundred three billion, three hundred thirteen million, two hundred twenty-one thousand, one".