111111007103 has 2 divisors, whose sum is σ = 111111007104. Its totient is φ = 111111007102.

The previous prime is 111111007037. The next prime is 111111007129. The reversal of 111111007103 is 301700111111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111111007103 - 2²⁰ = 111109958527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111111097103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555503551 + 55555503552.

It is an arithmetic number, because the mean of its divisors is an integer number (55555503552).

Almost surely, 2^111111007103 is an apocalyptic number.

111111007103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111007103 is an equidigital number, since it uses as much as digits as its factorization.

111111007103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21, while the sum is 17.

Adding to 111111007103 its reverse (301700111111), we get a palindrome (412811118214).

The spelling of 111111007103 in words is "one hundred eleven billion, one hundred eleven million, seven thousand, one hundred three".