1100103231103 has 4 divisors (see below), whose sum is σ = 1100108535280. Its totient is φ = 1100097926928.

The previous prime is 1100103231041. The next prime is 1100103231113. The reversal of 1100103231103 is 3011323010011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100103231103 - 2²¹ = 1100101133951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100103231113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2327763 + ... + 2760196.

It is an arithmetic number, because the mean of its divisors is an integer number (275027133820).

Almost surely, 2^{1100103231103} is an apocalyptic number.

1100103231103 is a deficient number, since it is larger than the sum of its proper divisors (5304177).

1100103231103 is an equidigital number, since it uses as much as digits as its factorization.

1100103231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304176.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1100103231103 its reverse (3011323010011), we get a palindrome (4111426241114).

The spelling of 1100103231103 in words is "one trillion, one hundred billion, one hundred three million, two hundred thirty-one thousand, one hundred three".