220020020111 has 2 divisors, whose sum is σ = 220020020112. Its totient is φ = 220020020110.

The previous prime is 220020020107. The next prime is 220020020117. The reversal of 220020020111 is 111020020022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220020020111 - 2² = 220020020107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220020020092 and 220020020101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220020020117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010010055 + 110010010056.

It is an arithmetic number, because the mean of its divisors is an integer number (110010010056).

Almost surely, 2^220020020111 is an apocalyptic number.

220020020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

220020020111 is an equidigital number, since it uses as much as digits as its factorization.

220020020111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220020020111 its reverse (111020020022), we get a palindrome (331040040133).

The spelling of 220020020111 in words is "two hundred twenty billion, twenty million, twenty thousand, one hundred eleven".