22200222200111 has 2 divisors, whose sum is σ = 22200222200112. Its totient is φ = 22200222200110.

The previous prime is 22200222200089. The next prime is 22200222200113. The reversal of 22200222200111 is 11100222200222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22200222200111 - 2⁶ = 22200222200047 is a prime.

Together with 22200222200113, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22200222200111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22200222200113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100111100055 + 11100111100056.

It is an arithmetic number, because the mean of its divisors is an integer number (11100111100056).

Almost surely, 2^{22200222200111} is an apocalyptic number.

22200222200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200222200111 is an equidigital number, since it uses as much as digits as its factorization.

22200222200111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22200222200111 its reverse (11100222200222), we get a palindrome (33300444400333).

The spelling of 22200222200111 in words is "twenty-two trillion, two hundred billion, two hundred twenty-two million, two hundred thousand, one hundred eleven".