11220021300013 has 2 divisors, whose sum is σ = 11220021300014. Its totient is φ = 11220021300012.

The previous prime is 11220021300011. The next prime is 11220021300043. The reversal of 11220021300013 is 31000312002211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9755115329124 + 1464905970889 = 3123318^2 + 1210333^2 .

It is an emirp because it is prime and its reverse (31000312002211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11220021300013 - 2¹ = 11220021300011 is a prime.

Together with 11220021300011, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11220021300013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220021300011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610010650006 + 5610010650007.

It is an arithmetic number, because the mean of its divisors is an integer number (5610010650007).

Almost surely, 2^{11220021300013} is an apocalyptic number.

It is an amenable number.

11220021300013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220021300013 is an equidigital number, since it uses as much as digits as its factorization.

11220021300013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11220021300013 its reverse (31000312002211), we get a palindrome (42220333302224).

The spelling of 11220021300013 in words is "eleven trillion, two hundred twenty billion, twenty-one million, three hundred thousand, thirteen".