321011321204222 has 64 divisors (see below), whose sum is σ = 562104055699200. Its totient is φ = 135877712263680.

The previous prime is 321011321204201. The next prime is 321011321204261. The reversal of 321011321204222 is 222402123110123.

It is a junction number, because it is equal to n+sod(n) for n = 321011321204191 and 321011321204200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4694429 + ... + 25769367.

It is an arithmetic number, because the mean of its divisors is an integer number (8782875870300).

Almost surely, 2^{321011321204222} is an apocalyptic number.

321011321204222 is a deficient number, since it is larger than the sum of its proper divisors (241092734494978).

321011321204222 is a wasteful number, since it uses less digits than its factorization.

321011321204222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21075401.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 321011321204222 its reverse (222402123110123), we get a palindrome (543413444314345).

The spelling of 321011321204222 in words is "three hundred twenty-one trillion, eleven billion, three hundred twenty-one million, two hundred four thousand, two hundred twenty-two".