11100321103 has 4 divisors (see below), whose sum is σ = 11113184448. Its totient is φ = 11087457760.

The previous prime is 11100321061. The next prime is 11100321109. The reversal of 11100321103 is 30112300111.

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 11100321103 - 2⁹ = 11100320591 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 (11100321109) 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, 6430378 + ... + 6432103.

It is an arithmetic number, because the mean of its divisors is an integer number (2778296112).

Almost surely, 2^11100321103 is an apocalyptic number.

11100321103 is a deficient number, since it is larger than the sum of its proper divisors (12863345).

11100321103 is an equidigital number, since it uses as much as digits as its factorization.

11100321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12863344.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11100321103 its reverse (30112300111), we get a palindrome (41212621214).

The spelling of 11100321103 in words is "eleven billion, one hundred million, three hundred twenty-one thousand, one hundred three".