23322221011 has 2 divisors, whose sum is σ = 23322221012. Its totient is φ = 23322221010.

The previous prime is 23322221009. The next prime is 23322221029. The reversal of 23322221011 is 11012222332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23322221011 - 2¹ = 23322221009 is a prime.

Together with 23322221009, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23322221011.

It is not a weakly prime, because it can be changed into another prime (23322221311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11661110505 + 11661110506.

It is an arithmetic number, because the mean of its divisors is an integer number (11661110506).

Almost surely, 2^23322221011 is an apocalyptic number.

23322221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23322221011 is an equidigital number, since it uses as much as digits as its factorization.

23322221011 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 23322221011 its reverse (11012222332), we get a palindrome (34334443343).

The spelling of 23322221011 in words is "twenty-three billion, three hundred twenty-two million, two hundred twenty-one thousand, eleven".