5516222111 has 2 divisors, whose sum is σ = 5516222112. Its totient is φ = 5516222110.

The previous prime is 5516222087. The next prime is 5516222113. The reversal of 5516222111 is 1112226155.

5516222111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5516222111 - 2¹⁴ = 5516205727 is a prime.

Together with 5516222113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5516222113) 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, 2758111055 + 2758111056.

It is an arithmetic number, because the mean of its divisors is an integer number (2758111056).

Almost surely, 2^5516222111 is an apocalyptic number.

5516222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5516222111 is an equidigital number, since it uses as much as digits as its factorization.

5516222111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 26.

The square root of 5516222111 is about 74271.2737941124. The cubic root of 5516222111 is about 1766.9079097680.

Adding to 5516222111 its reverse (1112226155), we get a palindrome (6628448266).

The spelling of 5516222111 in words is "five billion, five hundred sixteen million, two hundred twenty-two thousand, one hundred eleven".