21341042303120 has 40 divisors (see below), whose sum is σ = 49625293970616. Its totient is φ = 8535148858368.

The previous prime is 21341042303099. The next prime is 21341042303159. The reversal of 21341042303120 is 2130324014312.

It can be written as a sum of positive squares in 4 ways, for example, as 4594352181136 + 16746690121984 = 2143444^2 + 4092272^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 21341042303120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19271477 + ... + 20348756.

Almost surely, 2^{21341042303120} is an apocalyptic number.

21341042303120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21341042303120 is an abundant number, since it is smaller than the sum of its proper divisors (28284251667496).

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

21341042303120 is a wasteful number, since it uses less digits than its factorization.

21341042303120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39626979 (or 39626973 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21341042303120 its reverse (2130324014312), we get a palindrome (23471366317432).

The spelling of 21341042303120 in words is "twenty-one trillion, three hundred forty-one billion, forty-two million, three hundred three thousand, one hundred twenty".