220122220111 has 2 divisors, whose sum is σ = 220122220112. Its totient is φ = 220122220110.

The previous prime is 220122220091. The next prime is 220122220151. The reversal of 220122220111 is 111022221022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220122220111 - 2⁹ = 220122219599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220122220151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061110055 + 110061110056.

It is an arithmetic number, because the mean of its divisors is an integer number (110061110056).

Almost surely, 2^220122220111 is an apocalyptic number.

220122220111 is a deficient number, since it is larger than the sum of its proper divisors (1).

220122220111 is an equidigital number, since it uses as much as digits as its factorization.

220122220111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220122220111 its reverse (111022221022), we get a palindrome (331144441133).

The spelling of 220122220111 in words is "two hundred twenty billion, one hundred twenty-two million, two hundred twenty thousand, one hundred eleven".