112212212111 has 2 divisors, whose sum is σ = 112212212112. Its totient is φ = 112212212110.

The previous prime is 112212212089. The next prime is 112212212117. The reversal of 112212212111 is 111212212211.

It is a strong prime.

It is an emirp because it is prime and its reverse (111212212211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112212212111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112212212111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112212212117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106106055 + 56106106056.

It is an arithmetic number, because the mean of its divisors is an integer number (56106106056).

Almost surely, 2^112212212111 is an apocalyptic number.

112212212111 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212212111 is an equidigital number, since it uses as much as digits as its factorization.

112212212111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32, while the sum is 17.

Adding to 112212212111 its reverse (111212212211), we get a palindrome (223424424322).

The spelling of 112212212111 in words is "one hundred twelve billion, two hundred twelve million, two hundred twelve thousand, one hundred eleven".