111312203311 has 2 divisors, whose sum is σ = 111312203312. Its totient is φ = 111312203310.

The previous prime is 111312203269. The next prime is 111312203329. The reversal of 111312203311 is 113302213111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111312203311 - 2¹⁹ = 111311679023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111312203341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656101655 + 55656101656.

It is an arithmetic number, because the mean of its divisors is an integer number (55656101656).

Almost surely, 2^111312203311 is an apocalyptic number.

111312203311 is a deficient number, since it is larger than the sum of its proper divisors (1).

111312203311 is an equidigital number, since it uses as much as digits as its factorization.

111312203311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111312203311 its reverse (113302213111), we get a palindrome (224614416422).

The spelling of 111312203311 in words is "one hundred eleven billion, three hundred twelve million, two hundred three thousand, three hundred eleven".