2220020111 has 2 divisors, whose sum is σ = 2220020112. Its totient is φ = 2220020110.

The previous prime is 2220020107. The next prime is 2220020161. The reversal of 2220020111 is 1110200222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220020111 - 2² = 2220020107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220020092 and 2220020101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220020161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110010055 + 1110010056.

It is an arithmetic number, because the mean of its divisors is an integer number (1110010056).

Almost surely, 2^2220020111 is an apocalyptic number.

2220020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220020111 is an equidigital number, since it uses as much as digits as its factorization.

2220020111 is an evil number, because the sum of its binary digits is even.

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

The square root of 2220020111 is about 47117.0893731775. The cubic root of 2220020111 is about 1304.5246892303.

Adding to 2220020111 its reverse (1110200222), we get a palindrome (3330220333).

The spelling of 2220020111 in words is "two billion, two hundred twenty million, twenty thousand, one hundred eleven".