111000103 has 2 divisors, whose sum is σ = 111000104. Its totient is φ = 111000102.

The previous prime is 111000101. The next prime is 111000163. The reversal of 111000103 is 301000111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111000103 - 2¹ = 111000101 is a prime.

Together with 111000101, 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 (111000101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500051 + 55500052.

It is an arithmetic number, because the mean of its divisors is an integer number (55500052).

Almost surely, 2^111000103 is an apocalyptic number.

111000103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000103 is an equidigital number, since it uses as much as digits as its factorization.

111000103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 111000103 is about 10535.6586410153. The cubic root of 111000103 is about 480.5897020213.

Adding to 111000103 its reverse (301000111), we get a palindrome (412000214).

The spelling of 111000103 in words is "one hundred eleven million, one hundred three", and thus it is an aban number.