1003122321001 has 4 divisors (see below), whose sum is σ = 1062129516372. Its totient is φ = 944115125632.

The previous prime is 1003122320999. The next prime is 1003122321043. The reversal of 1003122321001 is 1001232213001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 290914603225 + 712207717776 = 539365^2 + 843924^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003122321001 - 2¹ = 1003122320999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003122321401) 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, 29503597660 + ... + 29503597693.

It is an arithmetic number, because the mean of its divisors is an integer number (265532379093).

Almost surely, 2^{1003122321001} is an apocalyptic number.

It is an amenable number.

1003122321001 is a deficient number, since it is larger than the sum of its proper divisors (59007195371).

1003122321001 is an equidigital number, since it uses as much as digits as its factorization.

1003122321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59007195370.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1003122321001 its reverse (1001232213001), we get a palindrome (2004354534002).

The spelling of 1003122321001 in words is "one trillion, three billion, one hundred twenty-two million, three hundred twenty-one thousand, one".