1100003321001 has 16 divisors (see below), whose sum is σ = 1580794152896. Its totient is φ = 676367032896.

The previous prime is 1100003320957. The next prime is 1100003321003. The reversal of 1100003321001 is 1001233000011.

It is not a de Polignac number, because 1100003321001 - 2¹⁰ = 1100003319977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100003321003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11578915 + ... + 11673528.

It is an arithmetic number, because the mean of its divisors is an integer number (98799634556).

Almost surely, 2^{1100003321001} is an apocalyptic number.

It is an amenable number.

1100003321001 is a deficient number, since it is larger than the sum of its proper divisors (480790831895).

1100003321001 is a wasteful number, since it uses less digits than its factorization.

1100003321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23253672.

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

Adding to 1100003321001 its reverse (1001233000011), we get a palindrome (2101236321012).

The spelling of 1100003321001 in words is "one trillion, one hundred billion, three million, three hundred twenty-one thousand, one".