1113103212103 has 4 divisors (see below), whose sum is σ = 1113110763408. Its totient is φ = 1113095660800.

The previous prime is 1113103212047. The next prime is 1113103212119. The reversal of 1113103212103 is 3012123013111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113103212103 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 (1113103212173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3550051 + ... + 3850852.

It is an arithmetic number, because the mean of its divisors is an integer number (278277690852).

Almost surely, 2^{1113103212103} is an apocalyptic number.

1113103212103 is a deficient number, since it is larger than the sum of its proper divisors (7551305).

1113103212103 is an equidigital number, since it uses as much as digits as its factorization.

1113103212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7551304.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1113103212103 its reverse (3012123013111), we get a palindrome (4125226225214).

The spelling of 1113103212103 in words is "one trillion, one hundred thirteen billion, one hundred three million, two hundred twelve thousand, one hundred three".