11331121110311 has 4 divisors (see below), whose sum is σ = 11331193306824. Its totient is φ = 11331048913800.

The previous prime is 11331121110269. The next prime is 11331121110347. The reversal of 11331121110311 is 11301112113311.

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 11331121110311 - 2¹⁸ = 11331120848167 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 (11331121110391) 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, 35862320 + ... + 36176901.

It is an arithmetic number, because the mean of its divisors is an integer number (2832798326706).

Almost surely, 2^{11331121110311} is an apocalyptic number.

11331121110311 is a deficient number, since it is larger than the sum of its proper divisors (72196513).

11331121110311 is an equidigital number, since it uses as much as digits as its factorization.

11331121110311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72196512.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 11331121110311 its reverse (11301112113311), we get a palindrome (22632233223622).

The spelling of 11331121110311 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-one million, one hundred ten thousand, three hundred eleven".