320000221001 has 8 divisors (see below), whose sum is σ = 334593353664. Its totient is φ = 305463761680.

The previous prime is 320000220979. The next prime is 320000221031. The reversal of 320000221001 is 100122000023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320000221001 - 2⁶ = 320000220937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320000221031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14156786 + ... + 14179371.

It is an arithmetic number, because the mean of its divisors is an integer number (41824169208).

Almost surely, 2^320000221001 is an apocalyptic number.

It is an amenable number.

320000221001 is a deficient number, since it is larger than the sum of its proper divisors (14593132663).

320000221001 is a wasteful number, since it uses less digits than its factorization.

320000221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28336671.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 320000221001 its reverse (100122000023), we get a palindrome (420122221024).

The spelling of 320000221001 in words is "three hundred twenty billion, two hundred twenty-one thousand, one".