11331123103331 has 4 divisors (see below), whose sum is σ = 11331131872200. Its totient is φ = 11331114334464.

The previous prime is 11331123103291. The next prime is 11331123103367. The reversal of 11331123103331 is 13330132113311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11331123103331 - 2⁴² = 6933076592227 is a prime.

It is a super-2 number, since 2×11331123103331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11331123103331.

It is not an unprimeable number, because it can be changed into a prime (11331123163331) 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, 2021726 + ... + 5172003.

It is an arithmetic number, because the mean of its divisors is an integer number (2832782968050).

Almost surely, 2^{11331123103331} is an apocalyptic number.

11331123103331 is a deficient number, since it is larger than the sum of its proper divisors (8768869).

11331123103331 is an equidigital number, since it uses as much as digits as its factorization.

11331123103331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8768868.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 11331123103331 its reverse (13330132113311), we get a palindrome (24661255216642).

The spelling of 11331123103331 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-three million, one hundred three thousand, three hundred thirty-one".