20020222111 has 2 divisors, whose sum is σ = 20020222112. Its totient is φ = 20020222110.

The previous prime is 20020222093. The next prime is 20020222139. The reversal of 20020222111 is 11122202002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20020222111 - 2¹³ = 20020213919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020222091 and 20020222100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020220111) 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, 10010111055 + 10010111056.

It is an arithmetic number, because the mean of its divisors is an integer number (10010111056).

Almost surely, 2^20020222111 is an apocalyptic number.

20020222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020222111 is an equidigital number, since it uses as much as digits as its factorization.

20020222111 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 20020222111 its reverse (11122202002), we get a palindrome (31142424113).

The spelling of 20020222111 in words is "twenty billion, twenty million, two hundred twenty-two thousand, one hundred eleven".