1121303232311 has 4 divisors (see below), whose sum is σ = 1121309383800. Its totient is φ = 1121297080824.

The previous prime is 1121303232299. The next prime is 1121303232337. The reversal of 1121303232311 is 1132323031211.

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 1121303232311 - 2¹⁸ = 1121302970167 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 (1121303232011) 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, 2793701 + ... + 3169758.

It is an arithmetic number, because the mean of its divisors is an integer number (280327345950).

Almost surely, 2^{1121303232311} is an apocalyptic number.

1121303232311 is a deficient number, since it is larger than the sum of its proper divisors (6151489).

1121303232311 is an equidigital number, since it uses as much as digits as its factorization.

1121303232311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151488.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1121303232311 its reverse (1132323031211), we get a palindrome (2253626263522).

The spelling of 1121303232311 in words is "one trillion, one hundred twenty-one billion, three hundred three million, two hundred thirty-two thousand, three hundred eleven".