11331122231020 has 48 divisors (see below), whose sum is σ = 24054087657600. Its totient is φ = 4483253203200.

The previous prime is 11331122231003. The next prime is 11331122231063. The reversal of 11331122231020 is 2013222113311.

It is a junction number, because it is equal to n+sod(n) for n = 11331122230982 and 11331122231000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600675 + ... + 4798234.

It is an arithmetic number, because the mean of its divisors is an integer number (501126826200).

Almost surely, 2^{11331122231020} is an apocalyptic number.

11331122231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331122231020 is an abundant number, since it is smaller than the sum of its proper divisors (12722965426580).

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

11331122231020 is a wasteful number, since it uses less digits than its factorization.

11331122231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400058 (or 5400056 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11331122231020 its reverse (2013222113311), we get a palindrome (13344344344331).

The spelling of 11331122231020 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-two million, two hundred thirty-one thousand, twenty".