1103321001 has 4 divisors (see below), whose sum is σ = 1471094672. Its totient is φ = 735547332.

The previous prime is 1103320993. The next prime is 1103321003. The reversal of 1103321001 is 1001233011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1001233011 = 3 ⋅333744337.

It is not a de Polignac number, because 1103321001 - 2³ = 1103320993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103321003) 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, 183886831 + ... + 183886836.

It is an arithmetic number, because the mean of its divisors is an integer number (367773668).

Almost surely, 2^1103321001 is an apocalyptic number.

It is an amenable number.

1103321001 is a deficient number, since it is larger than the sum of its proper divisors (367773671).

1103321001 is an equidigital number, since it uses as much as digits as its factorization.

1103321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367773670.

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

The square root of 1103321001 is about 33216.2761458897. The cubic root of 1103321001 is about 1033.3179212293.

Adding to 1103321001 its reverse (1001233011), we get a palindrome (2104554012).

The spelling of 1103321001 in words is "one billion, one hundred three million, three hundred twenty-one thousand, one".