11303011220213 has 16 divisors (see below), whose sum is σ = 11591766436656. Its totient is φ = 11014883573760.

The previous prime is 11303011220191. The next prime is 11303011220227. The reversal of 11303011220213 is 31202211030311.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 60180921124 + 11242830299089 = 245318^2 + 3353033^2 .

It is a cyclic number.

It is not a de Polignac number, because 11303011220213 - 2¹⁰ = 11303011219189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303011220243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193459181 + ... + 193517597.

It is an arithmetic number, because the mean of its divisors is an integer number (724485402291).

Almost surely, 2^{11303011220213} is an apocalyptic number.

It is an amenable number.

11303011220213 is a deficient number, since it is larger than the sum of its proper divisors (288755216443).

11303011220213 is a wasteful number, since it uses less digits than its factorization.

11303011220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63704.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11303011220213 its reverse (31202211030311), we get a palindrome (42505222250524).

The spelling of 11303011220213 in words is "eleven trillion, three hundred three billion, eleven million, two hundred twenty thousand, two hundred thirteen".