111242231383 has 2 divisors, whose sum is σ = 111242231384. Its totient is φ = 111242231382.

The previous prime is 111242231381. The next prime is 111242231459. The reversal of 111242231383 is 383132242111.

It is a weak prime.

It is an emirp because it is prime and its reverse (383132242111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111242231383 - 2¹ = 111242231381 is a prime.

Together with 111242231381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111242231381) 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, 55621115691 + 55621115692.

It is an arithmetic number, because the mean of its divisors is an integer number (55621115692).

Almost surely, 2^111242231383 is an apocalyptic number.

111242231383 is a deficient number, since it is larger than the sum of its proper divisors (1).

111242231383 is an equidigital number, since it uses as much as digits as its factorization.

111242231383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

Adding to 111242231383 its reverse (383132242111), we get a palindrome (494374473494).

The spelling of 111242231383 in words is "one hundred eleven billion, two hundred forty-two million, two hundred thirty-one thousand, three hundred eighty-three".