111881339 has 2 divisors, whose sum is σ = 111881340. Its totient is φ = 111881338.

The previous prime is 111881327. The next prime is 111881351. The reversal of 111881339 is 933188111.

It is a balanced prime because it is at equal distance from previous prime (111881327) and next prime (111881351).

It is an emirp because it is prime and its reverse (933188111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111881339 - 2⁴ = 111881323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111881299 and 111881308.

It is not a weakly prime, because it can be changed into another prime (111881839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55940669 + 55940670.

It is an arithmetic number, because the mean of its divisors is an integer number (55940670).

Almost surely, 2^111881339 is an apocalyptic number.

111881339 is a deficient number, since it is larger than the sum of its proper divisors (1).

111881339 is an equidigital number, since it uses as much as digits as its factorization.

111881339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 35.

The square root of 111881339 is about 10577.3975532737. The cubic root of 111881339 is about 481.8581606028.

The spelling of 111881339 in words is "one hundred eleven million, eight hundred eighty-one thousand, three hundred thirty-nine".