1001100321211 has 4 divisors (see below), whose sum is σ = 1001122927624. Its totient is φ = 1001077714800.

The previous prime is 1001100321209. The next prime is 1001100321227. The reversal of 1001100321211 is 1121230011001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1001100321211 - 2¹ = 1001100321209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001100321191 and 1001100321200.

It is not an unprimeable number, because it can be changed into a prime (1001100321311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11236650 + ... + 11325391.

It is an arithmetic number, because the mean of its divisors is an integer number (250280731906).

Almost surely, 2^{1001100321211} is an apocalyptic number.

1001100321211 is a deficient number, since it is larger than the sum of its proper divisors (22606413).

1001100321211 is an equidigital number, since it uses as much as digits as its factorization.

1001100321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22606412.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1001100321211 its reverse (1121230011001), we get a palindrome (2122330332212).

The spelling of 1001100321211 in words is "one trillion, one billion, one hundred million, three hundred twenty-one thousand, two hundred eleven".