111601100671 has 2 divisors, whose sum is σ = 111601100672. Its totient is φ = 111601100670.

The previous prime is 111601100651. The next prime is 111601100683. The reversal of 111601100671 is 176001106111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111601100671 - 2²¹ = 111599003519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111601100651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55800550335 + 55800550336.

It is an arithmetic number, because the mean of its divisors is an integer number (55800550336).

Almost surely, 2^111601100671 is an apocalyptic number.

111601100671 is a deficient number, since it is larger than the sum of its proper divisors (1).

111601100671 is an equidigital number, since it uses as much as digits as its factorization.

111601100671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 111601100671 its reverse (176001106111), we get a palindrome (287602206782).

The spelling of 111601100671 in words is "one hundred eleven billion, six hundred one million, one hundred thousand, six hundred seventy-one".