1121312303311 has 4 divisors (see below), whose sum is σ = 1121326344712. Its totient is φ = 1121298261912.

The previous prime is 1121312303269. The next prime is 1121312303381. The reversal of 1121312303311 is 1133032131211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121312303311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121312303381) 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, 6900225 + ... + 7060858.

It is an arithmetic number, because the mean of its divisors is an integer number (280331586178).

Almost surely, 2^{1121312303311} is an apocalyptic number.

1121312303311 is a deficient number, since it is larger than the sum of its proper divisors (14041401).

1121312303311 is an equidigital number, since it uses as much as digits as its factorization.

1121312303311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14041400.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1121312303311 its reverse (1133032131211), we get a palindrome (2254344434522).

The spelling of 1121312303311 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, three hundred three thousand, three hundred eleven".