3122320111 has 2 divisors, whose sum is σ = 3122320112. Its totient is φ = 3122320110.

The previous prime is 3122320057. The next prime is 3122320193. The reversal of 3122320111 is 1110232213.

It is a weak prime.

It is an emirp because it is prime and its reverse (1110232213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3122320111 - 2³¹ = 974836463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3122323111) 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, 1561160055 + 1561160056.

It is an arithmetic number, because the mean of its divisors is an integer number (1561160056).

Almost surely, 2^3122320111 is an apocalyptic number.

3122320111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122320111 is an equidigital number, since it uses as much as digits as its factorization.

3122320111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3122320111 is about 55877.7246405041. The cubic root of 3122320111 is about 1461.5908272925.

Adding to 3122320111 its reverse (1110232213), we get a palindrome (4232552324).

The spelling of 3122320111 in words is "three billion, one hundred twenty-two million, three hundred twenty thousand, one hundred eleven".