11331321033020 has 96 divisors (see below), whose sum is σ = 25435132434432. Its totient is φ = 4225449811968.

The previous prime is 11331321033001. The next prime is 11331321033023. The reversal of 11331321033020 is 2033012313311.

It is a super-2 number, since 2×11331321033020² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331321033023) 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 31 ways as a sum of consecutive naturals, for example, 26429402 + ... + 26854718.

It is an arithmetic number, because the mean of its divisors is an integer number (264949296192).

Almost surely, 2^{11331321033020} is an apocalyptic number.

11331321033020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11331321033020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12717566217216).

11331321033020 is an abundant number, since it is smaller than the sum of its proper divisors (14103811401412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11331321033020 is a wasteful number, since it uses less digits than its factorization.

11331321033020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426087 (or 426085 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 11331321033020 its reverse (2033012313311), we get a palindrome (13364333346331).

The spelling of 11331321033020 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty-one million, thirty-three thousand, twenty".