11100203103 has 8 divisors (see below), whose sum is σ = 16145750016. Its totient is φ = 6727395800.

The previous prime is 11100203083. The next prime is 11100203131. The reversal of 11100203103 is 30130200111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11100203103 - 2¹⁰ = 11100202079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100203003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168184863 + ... + 168184928.

It is an arithmetic number, because the mean of its divisors is an integer number (2018218752).

Almost surely, 2^11100203103 is an apocalyptic number.

11100203103 is a deficient number, since it is larger than the sum of its proper divisors (5045546913).

11100203103 is a wasteful number, since it uses less digits than its factorization.

11100203103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336369805.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11100203103 its reverse (30130200111), we get a palindrome (41230403214).

The spelling of 11100203103 in words is "eleven billion, one hundred million, two hundred three thousand, one hundred three".