23222220011 has 2 divisors, whose sum is σ = 23222220012. Its totient is φ = 23222220010.

The previous prime is 23222219983. The next prime is 23222220017. The reversal of 23222220011 is 11002222232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23222220011 is a prime.

It is not a weakly prime, because it can be changed into another prime (23222220017) 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 as a sum of consecutive naturals, namely, 11611110005 + 11611110006.

It is an arithmetic number, because the mean of its divisors is an integer number (11611110006).

Almost surely, 2^23222220011 is an apocalyptic number.

23222220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23222220011 is an equidigital number, since it uses as much as digits as its factorization.

23222220011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 23222220011 its reverse (11002222232), we get a palindrome (34224442243).

The spelling of 23222220011 in words is "twenty-three billion, two hundred twenty-two million, two hundred twenty thousand, eleven".