1000321321211 has 16 divisors (see below), whose sum is σ = 1049486518080. Its totient is φ = 951631380480.

The previous prime is 1000321321201. The next prime is 1000321321247. The reversal of 1000321321211 is 1121231230001.

It is a cyclic number.

It is not a de Polignac number, because 1000321321211 - 2⁶ = 1000321321147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000321321211.

It is not an unprimeable number, because it can be changed into a prime (1000321321201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19012601 + ... + 19065141.

It is an arithmetic number, because the mean of its divisors is an integer number (65592907380).

Almost surely, 2^{1000321321211} is an apocalyptic number.

1000321321211 is a deficient number, since it is larger than the sum of its proper divisors (49165196869).

1000321321211 is a wasteful number, since it uses less digits than its factorization.

1000321321211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57046.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1000321321211 its reverse (1121231230001), we get a palindrome (2121552551212).

The spelling of 1000321321211 in words is "one trillion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred eleven".