21113232233020 has 48 divisors (see below), whose sum is σ = 45387880473600. Its totient is φ = 8247171124800.

The previous prime is 21113232232999. The next prime is 21113232233057. The reversal of 21113232233020 is 2033223231112.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 59068740 + ... + 59425099.

It is an arithmetic number, because the mean of its divisors is an integer number (945580843200).

Almost surely, 2^{21113232233020} is an apocalyptic number.

21113232233020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21113232233020 is an abundant number, since it is smaller than the sum of its proper divisors (24274648240580).

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

21113232233020 is a wasteful number, since it uses less digits than its factorization.

21113232233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118494058 (or 118494056 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21113232233020 its reverse (2033223231112), we get a palindrome (23146455464132).

The spelling of 21113232233020 in words is "twenty-one trillion, one hundred thirteen billion, two hundred thirty-two million, two hundred thirty-three thousand, twenty".