11223021313 has 4 divisors (see below), whose sum is σ = 12826310080. Its totient is φ = 9619732548.

The previous prime is 11223021287. The next prime is 11223021331. The reversal of 11223021313 is 31312032211.

11223021313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31312032211 = 48947 ⋅639713.

It is a cyclic number.

It is not a de Polignac number, because 11223021313 - 2¹⁷ = 11222890241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11223021343) 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 in 3 ways as a sum of consecutive naturals, for example, 801644373 + ... + 801644386.

It is an arithmetic number, because the mean of its divisors is an integer number (3206577520).

Almost surely, 2^11223021313 is an apocalyptic number.

It is an amenable number.

11223021313 is a deficient number, since it is larger than the sum of its proper divisors (1603288767).

11223021313 is an equidigital number, since it uses as much as digits as its factorization.

11223021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603288766.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11223021313 its reverse (31312032211), we get a palindrome (42535053524).

The spelling of 11223021313 in words is "eleven billion, two hundred twenty-three million, twenty-one thousand, three hundred thirteen".