111111101347 has 2 divisors, whose sum is σ = 111111101348. Its totient is φ = 111111101346.

The previous prime is 111111101303. The next prime is 111111101377. The reversal of 111111101347 is 743101111111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111111101347 - 2¹¹ = 111111099299 is a prime.

It is not a weakly prime, because it can be changed into another prime (111111101377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555550673 + 55555550674.

It is an arithmetic number, because the mean of its divisors is an integer number (55555550674).

Almost surely, 2^111111101347 is an apocalyptic number.

111111101347 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111101347 is an equidigital number, since it uses as much as digits as its factorization.

111111101347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 22.

Adding to 111111101347 its reverse (743101111111), we get a palindrome (854212212458).

The spelling of 111111101347 in words is "one hundred eleven billion, one hundred eleven million, one hundred one thousand, three hundred forty-seven".