22303220111 has 2 divisors, whose sum is σ = 22303220112. Its totient is φ = 22303220110.

The previous prime is 22303220087. The next prime is 22303220113. The reversal of 22303220111 is 11102230322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22303220111 - 2¹⁰ = 22303219087 is a prime.

Together with 22303220113, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22303220111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22303220113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151610055 + 11151610056.

It is an arithmetic number, because the mean of its divisors is an integer number (11151610056).

Almost surely, 2^22303220111 is an apocalyptic number.

22303220111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22303220111 is an equidigital number, since it uses as much as digits as its factorization.

22303220111 is an evil number, because the sum of its binary digits is even.

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

Adding to 22303220111 its reverse (11102230322), we get a palindrome (33405450433).

The spelling of 22303220111 in words is "twenty-two billion, three hundred three million, two hundred twenty thousand, one hundred eleven".