11200421103 has 4 divisors (see below), whose sum is σ = 14933894808. Its totient is φ = 7466947400.

The previous prime is 11200421081. The next prime is 11200421107. The reversal of 11200421103 is 30112400211.

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 11200421103 - 2¹⁰ = 11200420079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200421107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1866736848 + ... + 1866736853.

It is an arithmetic number, because the mean of its divisors is an integer number (3733473702).

Almost surely, 2^11200421103 is an apocalyptic number.

11200421103 is a deficient number, since it is larger than the sum of its proper divisors (3733473705).

11200421103 is an equidigital number, since it uses as much as digits as its factorization.

11200421103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733473704.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11200421103 its reverse (30112400211), we get a palindrome (41312821314).

The spelling of 11200421103 in words is "eleven billion, two hundred million, four hundred twenty-one thousand, one hundred three".