985322111 has 2 divisors, whose sum is σ = 985322112. Its totient is φ = 985322110.

The previous prime is 985322069. The next prime is 985322141. The reversal of 985322111 is 111223589.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (111223589) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985322111 is a prime.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985322141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492661055 + 492661056.

It is an arithmetic number, because the mean of its divisors is an integer number (492661056).

Almost surely, 2^985322111 is an apocalyptic number.

985322111 is a deficient number, since it is larger than the sum of its proper divisors (1).

985322111 is an equidigital number, since it uses as much as digits as its factorization.

985322111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 32.

The square root of 985322111 is about 31389.8408884148. The cubic root of 985322111 is about 995.0832353792.

The spelling of 985322111 in words is "nine hundred eighty-five million, three hundred twenty-two thousand, one hundred eleven".