11120103 has 12 divisors (see below), whose sum is σ = 16580928. Its totient is φ = 7174080.

The previous prime is 11120099. The next prime is 11120107. The reversal of 11120103 is 30102111.

It is an interprime number because it is at equal distance from previous prime (11120099) and next prime (11120107).

It is not a de Polignac number, because 11120103 - 2² = 11120099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19650 + ... + 20207.

It is an arithmetic number, because the mean of its divisors is an integer number (1381744).

Almost surely, 2^11120103 is an apocalyptic number.

11120103 is a deficient number, since it is larger than the sum of its proper divisors (5460825).

11120103 is a wasteful number, since it uses less digits than its factorization.

11120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39894 (or 39891 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 11120103 is about 3334.6818438946. The cubic root of 11120103 is about 223.2044951305.

Adding to 11120103 its reverse (30102111), we get a palindrome (41222214).

The spelling of 11120103 in words is "eleven million, one hundred twenty thousand, one hundred three".