111012231311 has 2 divisors, whose sum is σ = 111012231312. Its totient is φ = 111012231310.

The previous prime is 111012231299. The next prime is 111012231331. The reversal of 111012231311 is 113132210111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111012231311 - 2¹⁴ = 111012214927 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111012231311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111012231331) 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, 55506115655 + 55506115656.

It is an arithmetic number, because the mean of its divisors is an integer number (55506115656).

Almost surely, 2^111012231311 is an apocalyptic number.

111012231311 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012231311 is an equidigital number, since it uses as much as digits as its factorization.

111012231311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111012231311 its reverse (113132210111), we get a palindrome (224144441422).

The spelling of 111012231311 in words is "one hundred eleven billion, twelve million, two hundred thirty-one thousand, three hundred eleven".