13220220011 has 12 divisors (see below), whose sum is σ = 13615470792. Its totient is φ = 12829497408.

The previous prime is 13220219963. The next prime is 13220220037. The reversal of 13220220011 is 11002202231.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-13220220011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220220911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1053671 + ... + 1066143.

It is an arithmetic number, because the mean of its divisors is an integer number (1134622566).

Almost surely, 2^13220220011 is an apocalyptic number.

13220220011 is a deficient number, since it is larger than the sum of its proper divisors (395250781).

13220220011 is an equidigital number, since it uses as much as digits as its factorization.

13220220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12830 (or 12673 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 13220220011 its reverse (11002202231), we get a palindrome (24222422242).

The spelling of 13220220011 in words is "thirteen billion, two hundred twenty million, two hundred twenty thousand, eleven".