1100321020321 has 8 divisors (see below), whose sum is σ = 1157555721600. Its totient is φ = 1044372492240.

The previous prime is 1100321020213. The next prime is 1100321020327. The reversal of 1100321020321 is 1230201230011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100321020321 - 2¹³ = 1100321012129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100321020295 and 1100321020304.

It is not an unprimeable number, because it can be changed into a prime (1100321020327) 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, 321541545 + ... + 321544966.

It is an arithmetic number, because the mean of its divisors is an integer number (144694465200).

Almost surely, 2^{1100321020321} is an apocalyptic number.

It is an amenable number.

1100321020321 is a deficient number, since it is larger than the sum of its proper divisors (57234701279).

1100321020321 is an equidigital number, since it uses as much as digits as its factorization.

1100321020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643086599.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1100321020321 its reverse (1230201230011), we get a palindrome (2330522250332).

The spelling of 1100321020321 in words is "one trillion, one hundred billion, three hundred twenty-one million, twenty thousand, three hundred twenty-one".