111103671 has 8 divisors (see below), whose sum is σ = 169300864. Its totient is φ = 63487800.

The previous prime is 111103649. The next prime is 111103709. The reversal of 111103671 is 176301111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111103671 - 2⁷ = 111103543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5290651 = 111103671 / (1 + 1 + 1 + 1 + 0 + 3 + 6 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111103871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645305 + ... + 2645346.

It is an arithmetic number, because the mean of its divisors is an integer number (21162608).

Almost surely, 2^111103671 is an apocalyptic number.

111103671 is a deficient number, since it is larger than the sum of its proper divisors (58197193).

111103671 is an equidigital number, since it uses as much as digits as its factorization.

111103671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290661.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 111103671 is about 10540.5726125292. The cubic root of 111103671 is about 480.7391260326.

Adding to 111103671 its reverse (176301111), we get a palindrome (287404782).

The spelling of 111103671 in words is "one hundred eleven million, one hundred three thousand, six hundred seventy-one".