1103103321001 has 4 divisors (see below), whose sum is σ = 1203385441104. Its totient is φ = 1002821200900.

The previous prime is 1103103320989. The next prime is 1103103321017. The reversal of 1103103321001 is 1001233013011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1103103321001 - 2¹¹ = 1103103318953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103103321041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50141060035 + ... + 50141060056.

It is an arithmetic number, because the mean of its divisors is an integer number (300846360276).

Almost surely, 2^{1103103321001} is an apocalyptic number.

1103103321001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1103103321001 is a deficient number, since it is larger than the sum of its proper divisors (100282120103).

1103103321001 is a wasteful number, since it uses less digits than its factorization.

1103103321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100282120102.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1103103321001 its reverse (1001233013011), we get a palindrome (2104336334012).

The spelling of 1103103321001 in words is "one trillion, one hundred three billion, one hundred three million, three hundred twenty-one thousand, one".