11312133313021 has 8 divisors (see below), whose sum is σ = 11418593984600. Its totient is φ = 11205721362240.

The previous prime is 11312133312973. The next prime is 11312133313057. The reversal of 11312133313021 is 12031333121311.

It can be written as a sum of positive squares in 4 ways, for example, as 8458267056100 + 2853866256921 = 2908310^2 + 1689339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11312133313021 - 2¹⁷ = 11312133181949 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 (11312133313321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11713566 + ... + 12642463.

It is an arithmetic number, because the mean of its divisors is an integer number (1427324248075).

Almost surely, 2^{11312133313021} is an apocalyptic number.

It is an amenable number.

11312133313021 is a deficient number, since it is larger than the sum of its proper divisors (106460671579).

11312133313021 is a wasteful number, since it uses less digits than its factorization.

11312133313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24360399.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11312133313021 its reverse (12031333121311), we get a palindrome (23343466434332).

The spelling of 11312133313021 in words is "eleven trillion, three hundred twelve billion, one hundred thirty-three million, three hundred thirteen thousand, twenty-one".