1000321321222 has 4 divisors (see below), whose sum is σ = 1500481981836. Its totient is φ = 500160660610.

The previous prime is 1000321321201. The next prime is 1000321321247. The reversal of 1000321321222 is 2221231230001.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1000321321222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250080330304 + ... + 250080330307.

It is an arithmetic number, because the mean of its divisors is an integer number (375120495459).

Almost surely, 2^{1000321321222} is an apocalyptic number.

1000321321222 is a deficient number, since it is larger than the sum of its proper divisors (500160660614).

1000321321222 is an equidigital number, since it uses as much as digits as its factorization.

1000321321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500160660613.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1000321321222 its reverse (2221231230001), we get a palindrome (3221552551223).

The spelling of 1000321321222 in words is "one trillion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred twenty-two".