22020002111 has 2 divisors, whose sum is σ = 22020002112. Its totient is φ = 22020002110.

The previous prime is 22020002099. The next prime is 22020002113. The reversal of 22020002111 is 11120002022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22020002111 - 2⁶ = 22020002047 is a prime.

It is a Sophie Germain prime.

Together with 22020002113, 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 = 22020002092 and 22020002101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020002113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010001055 + 11010001056.

It is an arithmetic number, because the mean of its divisors is an integer number (11010001056).

Almost surely, 2^22020002111 is an apocalyptic number.

22020002111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020002111 is an equidigital number, since it uses as much as digits as its factorization.

22020002111 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.

Adding to 22020002111 its reverse (11120002022), we get a palindrome (33140004133).

The spelling of 22020002111 in words is "twenty-two billion, twenty million, two thousand, one hundred eleven".