11233323313021 has 12 divisors (see below), whose sum is σ = 11509017626268. Its totient is φ = 10964089437504.

The previous prime is 11233323313013. The next prime is 11233323313039. The reversal of 11233323313021 is 12031332333211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8800537564900 + 2432785748121 = 2966570^2 + 1559739^2 .

It is not a de Polignac number, because 11233323313021 - 2³ = 11233323313013 is a prime.

It is a super-2 number, since 2×11233323313021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233323313721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326241 + ... + 4751113.

It is an arithmetic number, because the mean of its divisors is an integer number (959084802189).

Almost surely, 2^{11233323313021} is an apocalyptic number.

It is an amenable number.

11233323313021 is a deficient number, since it is larger than the sum of its proper divisors (275694313247).

11233323313021 is an equidigital number, since it uses as much as digits as its factorization.

11233323313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426332 (or 4426289 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 11233323313021 its reverse (12031332333211), we get a palindrome (23264655646232).

The spelling of 11233323313021 in words is "eleven trillion, two hundred thirty-three billion, three hundred twenty-three million, three hundred thirteen thousand, twenty-one".