220220222111 has 2 divisors, whose sum is σ = 220220222112. Its totient is φ = 220220222110.

The previous prime is 220220222093. The next prime is 220220222137. The reversal of 220220222111 is 111222022022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220220222111 - 2¹⁰ = 220220221087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220220222111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220220222161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110111055 + 110110111056.

It is an arithmetic number, because the mean of its divisors is an integer number (110110111056).

Almost surely, 2^220220222111 is an apocalyptic number.

220220222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220222111 is an equidigital number, since it uses as much as digits as its factorization.

220220222111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220220222111 its reverse (111222022022), we get a palindrome (331442244133).

The spelling of 220220222111 in words is "two hundred twenty billion, two hundred twenty million, two hundred twenty-two thousand, one hundred eleven".