1020321201322 has 16 divisors (see below), whose sum is σ = 1537029869760. Its totient is φ = 507979752192.

The previous prime is 1020321201311. The next prime is 1020321201469. The reversal of 1020321201322 is 2231021230201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020321201322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652429 + ... + 1570447.

It is an arithmetic number, because the mean of its divisors is an integer number (96064366860).

Almost surely, 2^{1020321201322} is an apocalyptic number.

1020321201322 is a deficient number, since it is larger than the sum of its proper divisors (516708668438).

1020321201322 is a wasteful number, since it uses less digits than its factorization.

1020321201322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920397.

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

Adding to 1020321201322 its reverse (2231021230201), we get a palindrome (3251342431523).

The spelling of 1020321201322 in words is "one trillion, twenty billion, three hundred twenty-one million, two hundred one thousand, three hundred twenty-two".