21130143300336 has 160 divisors (see below), whose sum is σ = 62654184161280. Its totient is φ = 6011066702592.

The previous prime is 21130143300251. The next prime is 21130143300379. The reversal of 21130143300336 is 63300334103112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750266191 + ... + 750294353.

It is an arithmetic number, because the mean of its divisors is an integer number (391588651008).

Almost surely, 2^{21130143300336} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21130143300336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31327092080640).

21130143300336 is an abundant number, since it is smaller than the sum of its proper divisors (41524040860944).

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

21130143300336 is a wasteful number, since it uses less digits than its factorization.

21130143300336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37763 (or 37757 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 21130143300336 its reverse (63300334103112), we get a palindrome (84430477403448).

The spelling of 21130143300336 in words is "twenty-one trillion, one hundred thirty billion, one hundred forty-three million, three hundred thousand, three hundred thirty-six".