22020110111 has 2 divisors, whose sum is σ = 22020110112. Its totient is φ = 22020110110.

The previous prime is 22020110003. The next prime is 22020110113. The reversal of 22020110111 is 11101102022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020110111 is a prime.

Together with 22020110113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22020110092 and 22020110101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020110113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010055055 + 11010055056.

It is an arithmetic number, because the mean of its divisors is an integer number (11010055056).

Almost surely, 2^22020110111 is an apocalyptic number.

22020110111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020110111 is an equidigital number, since it uses as much as digits as its factorization.

22020110111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22020110111 its reverse (11101102022), we get a palindrome (33121212133).

The spelling of 22020110111 in words is "twenty-two billion, twenty million, one hundred ten thousand, one hundred eleven".