11331134021 has 16 divisors (see below), whose sum is σ = 11678929920. Its totient is φ = 10988928240.

The previous prime is 11331133943. The next prime is 11331134029. The reversal of 11331134021 is 12043113311.

It is a cyclic number.

It is not a de Polignac number, because 11331134021 - 2¹⁰ = 11331132997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331133984 and 11331134002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331134029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4753796 + ... + 4756178.

It is an arithmetic number, because the mean of its divisors is an integer number (729933120).

Almost surely, 2^11331134021 is an apocalyptic number.

It is an amenable number.

11331134021 is a deficient number, since it is larger than the sum of its proper divisors (347795899).

11331134021 is an equidigital number, since it uses as much as digits as its factorization.

11331134021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11331134021 its reverse (12043113311), we get a palindrome (23374247332).

The spelling of 11331134021 in words is "eleven billion, three hundred thirty-one million, one hundred thirty-four thousand, twenty-one".