322031211221 has 8 divisors (see below), whose sum is σ = 322442114400. Its totient is φ = 321620560560.

The previous prime is 322031211193. The next prime is 322031211269. The reversal of 322031211221 is 122112130223.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322031211221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322031211193 and 322031211202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322031211421) 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, 2557970 + ... + 2680908.

It is an arithmetic number, because the mean of its divisors is an integer number (40305264300).

Almost surely, 2^322031211221 is an apocalyptic number.

It is an amenable number.

322031211221 is a deficient number, since it is larger than the sum of its proper divisors (410903179).

322031211221 is a wasteful number, since it uses less digits than its factorization.

322031211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126259.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 322031211221 its reverse (122112130223), we get a palindrome (444143341444).

The spelling of 322031211221 in words is "three hundred twenty-two billion, thirty-one million, two hundred eleven thousand, two hundred twenty-one".