13223222011 has 2 divisors, whose sum is σ = 13223222012. Its totient is φ = 13223222010.

The previous prime is 13223221961. The next prime is 13223222021. The reversal of 13223222011 is 11022232231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13223222011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13223222011.

It is not a weakly prime, because it can be changed into another prime (13223222021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611611005 + 6611611006.

It is an arithmetic number, because the mean of its divisors is an integer number (6611611006).

Almost surely, 2^13223222011 is an apocalyptic number.

13223222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223222011 is an equidigital number, since it uses as much as digits as its factorization.

13223222011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13223222011 its reverse (11022232231), we get a palindrome (24245454242).

It can be divided in two parts, 132232220 and 11, that added together give a palindrome (132232231).

The spelling of 13223222011 in words is "thirteen billion, two hundred twenty-three million, two hundred twenty-two thousand, eleven".