11111100322111 has 2 divisors, whose sum is σ = 11111100322112. Its totient is φ = 11111100322110.

The previous prime is 11111100322109. The next prime is 11111100322169. The reversal of 11111100322111 is 11122300111111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111100322111 - 2¹ = 11111100322109 is a prime.

Together with 11111100322109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111100322411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555550161055 + 5555550161056.

It is an arithmetic number, because the mean of its divisors is an integer number (5555550161056).

Almost surely, 2^{11111100322111} is an apocalyptic number.

11111100322111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111100322111 is an equidigital number, since it uses as much as digits as its factorization.

11111100322111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 11111100322111 its reverse (11122300111111), we get a palindrome (22233400433222).

The spelling of 11111100322111 in words is "eleven trillion, one hundred eleven billion, one hundred million, three hundred twenty-two thousand, one hundred eleven".