11112202220111 has 2 divisors, whose sum is σ = 11112202220112. Its totient is φ = 11112202220110.

The previous prime is 11112202220099. The next prime is 11112202220117. The reversal of 11112202220111 is 11102220221111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11112202220111 - 2³⁴ = 11095022350927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112202220111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112202220117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556101110055 + 5556101110056.

It is an arithmetic number, because the mean of its divisors is an integer number (5556101110056).

Almost surely, 2^{11112202220111} is an apocalyptic number.

11112202220111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112202220111 is an equidigital number, since it uses as much as digits as its factorization.

11112202220111 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 17.

Adding to 11112202220111 its reverse (11102220221111), we get a palindrome (22214422441222).

The spelling of 11112202220111 in words is "eleven trillion, one hundred twelve billion, two hundred two million, two hundred twenty thousand, one hundred eleven".