3221123001001 has 4 divisors (see below), whose sum is σ = 3221142643600. Its totient is φ = 3221103358404.

The previous prime is 3221123000989. The next prime is 3221123001017. The reversal of 3221123001001 is 1001003211223.

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 3221123001001 - 2¹³ = 3221122992809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221123001071) 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, 9573231 + ... + 9903988.

It is an arithmetic number, because the mean of its divisors is an integer number (805285660900).

Almost surely, 2^{3221123001001} is an apocalyptic number.

It is an amenable number.

3221123001001 is a deficient number, since it is larger than the sum of its proper divisors (19642599).

3221123001001 is a wasteful number, since it uses less digits than its factorization.

3221123001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19642598.

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

Adding to 3221123001001 its reverse (1001003211223), we get a palindrome (4222126212224).

The spelling of 3221123001001 in words is "three trillion, two hundred twenty-one billion, one hundred twenty-three million, one thousand, one".