322121301221 has 8 divisors (see below), whose sum is σ = 323581946688. Its totient is φ = 320663380000.

The previous prime is 322121301217. The next prime is 322121301251. The reversal of 322121301221 is 122103121223.

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 322121301221 - 2² = 322121301217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322121301193 and 322121301202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322121301251) 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, 443855 + ... + 917196.

It is an arithmetic number, because the mean of its divisors is an integer number (40447743336).

Almost surely, 2^322121301221 is an apocalyptic number.

It is an amenable number.

322121301221 is a deficient number, since it is larger than the sum of its proper divisors (1460645467).

322121301221 is a wasteful number, since it uses less digits than its factorization.

322121301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362123.

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

Adding to 322121301221 its reverse (122103121223), we get a palindrome (444224422444).

The spelling of 322121301221 in words is "three hundred twenty-two billion, one hundred twenty-one million, three hundred one thousand, two hundred twenty-one".