13220223011 has 4 divisors (see below), whose sum is σ = 13676092800. Its totient is φ = 12764353224.

The previous prime is 13220222947. The next prime is 13220223013. The reversal of 13220223011 is 11032202231.

13220223011 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.

It is a cyclic number.

It is not a de Polignac number, because 13220223011 - 2⁶ = 13220222947 is a prime.

It is a super-2 number, since 2×13220223011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220223013) 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, 227934851 + ... + 227934908.

It is an arithmetic number, because the mean of its divisors is an integer number (3419023200).

Almost surely, 2^13220223011 is an apocalyptic number.

13220223011 is a deficient number, since it is larger than the sum of its proper divisors (455869789).

13220223011 is an equidigital number, since it uses as much as digits as its factorization.

13220223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455869788.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13220223011 its reverse (11032202231), we get a palindrome (24252425242).

The spelling of 13220223011 in words is "thirteen billion, two hundred twenty million, two hundred twenty-three thousand, eleven".