1320303311211 has 8 divisors (see below), whose sum is σ = 1797859828224. Its totient is φ = 861474500840.

The previous prime is 1320303311191. The next prime is 1320303311227. The reversal of 1320303311211 is 1121133030231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1320303311211 - 2⁹ = 1320303310699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320303311231) 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, 4681926495 + ... + 4681926776.

It is an arithmetic number, because the mean of its divisors is an integer number (224732478528).

Almost surely, 2^{1320303311211} is an apocalyptic number.

1320303311211 is a deficient number, since it is larger than the sum of its proper divisors (477556517013).

1320303311211 is an equidigital number, since it uses as much as digits as its factorization.

1320303311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363853321.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1320303311211 its reverse (1121133030231), we get a palindrome (2441436341442).

The spelling of 1320303311211 in words is "one trillion, three hundred twenty billion, three hundred three million, three hundred eleven thousand, two hundred eleven".