21363425310000 has 200 divisors, whose sum is σ = 69004177844800. Its totient is φ = 5693593248000.

The previous prime is 21363425309999. The next prime is 21363425310041. The reversal of 21363425310000 is 1352436312.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×21363425310000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 21363425310000.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51483351 + ... + 51896649.

It is an arithmetic number, because the mean of its divisors is an integer number (345020889224).

Almost surely, 2^{21363425310000} is an apocalyptic number.

21363425310000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21363425310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34502088922400).

21363425310000 is an abundant number, since it is smaller than the sum of its proper divisors (47640752534800).

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

21363425310000 is a wasteful number, since it uses less digits than its factorization.

21363425310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415053 (or 415032 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 21363425310000 its reverse (1352436312), we get a palindrome (21364777746312).

The spelling of 21363425310000 in words is "twenty-one trillion, three hundred sixty-three billion, four hundred twenty-five million, three hundred ten thousand".