220020220111 has 2 divisors, whose sum is σ = 220020220112. Its totient is φ = 220020220110.

The previous prime is 220020220109. The next prime is 220020220141. The reversal of 220020220111 is 111022020022.

It is a happy number.

220020220111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220020220111 - 2¹ = 220020220109 is a prime.

Together with 220020220109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 220020220091 and 220020220100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220020220141) 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, 110010110055 + 110010110056.

It is an arithmetic number, because the mean of its divisors is an integer number (110010110056).

Almost surely, 2^220020220111 is an apocalyptic number.

220020220111 is a deficient number, since it is larger than the sum of its proper divisors (1).

220020220111 is an equidigital number, since it uses as much as digits as its factorization.

220020220111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220020220111 its reverse (111022020022), we get a palindrome (331042240133).

The spelling of 220020220111 in words is "two hundred twenty billion, twenty million, two hundred twenty thousand, one hundred eleven".