20020222222111 has 2 divisors, whose sum is σ = 20020222222112. Its totient is φ = 20020222222110.

The previous prime is 20020222222067. The next prime is 20020222222127. The reversal of 20020222222111 is 11122222202002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20020222222111 - 2¹⁹ = 20020221697823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020222220111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010111111055 + 10010111111056.

It is an arithmetic number, because the mean of its divisors is an integer number (10010111111056).

Almost surely, 2^{20020222222111} is an apocalyptic number.

20020222222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020222222111 is an equidigital number, since it uses as much as digits as its factorization.

20020222222111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20020222222111 its reverse (11122222202002), we get a palindrome (31142444424113).

The spelling of 20020222222111 in words is "twenty trillion, twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred eleven".