21332113210120 has 32 divisors (see below), whose sum is σ = 48044823946200. Its totient is φ = 8524388533248.

The previous prime is 21332113210099. The next prime is 21332113210123. The reversal of 21332113210120 is 2101231123312.

It can be written as a sum of positive squares in 4 ways, for example, as 9275204252484 + 12056908957636 = 3045522^2 + 3472306^2 .

It is a super-2 number, since 2×21332113210120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21332113210091 and 21332113210100.

It is not an unprimeable number, because it can be changed into a prime (21332113210123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264232599 + ... + 264313318.

Almost surely, 2^{21332113210120} is an apocalyptic number.

21332113210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21332113210120 is an abundant number, since it is smaller than the sum of its proper divisors (26712710736080).

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

21332113210120 is a wasteful number, since it uses less digits than its factorization.

21332113210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528546937 (or 528546933 counting only the distinct ones).

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

Adding to 21332113210120 its reverse (2101231123312), we get a palindrome (23433344333432).

The spelling of 21332113210120 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred thirteen million, two hundred ten thousand, one hundred twenty".