1111013203103 has 4 divisors (see below), whose sum is σ = 1149324003240. Its totient is φ = 1072702402968.

The previous prime is 1111013203063. The next prime is 1111013203141. The reversal of 1111013203103 is 3013023101111.

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 1111013203103 - 2³² = 1106718235807 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 (1111013203193) 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, 19155400025 + ... + 19155400082.

It is an arithmetic number, because the mean of its divisors is an integer number (287331000810).

Almost surely, 2^{1111013203103} is an apocalyptic number.

1111013203103 is a deficient number, since it is larger than the sum of its proper divisors (38310800137).

1111013203103 is an equidigital number, since it uses as much as digits as its factorization.

1111013203103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38310800136.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1111013203103 its reverse (3013023101111), we get a palindrome (4124036304214).

The spelling of 1111013203103 in words is "one trillion, one hundred eleven billion, thirteen million, two hundred three thousand, one hundred three".