21030113310000 has 200 divisors, whose sum is σ = 67897331886384. Its totient is φ = 5607260160000.

The previous prime is 21030113309981. The next prime is 21030113310001. The reversal of 21030113310000 is 1331103012.

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

It is a super-3 number, since 3×21030113310000³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (21030113310001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 238065840 + ... + 238154160.

Almost surely, 2^{21030113310000} is an apocalyptic number.

21030113310000 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 21030113310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33948665943192).

21030113310000 is an abundant number, since it is smaller than the sum of its proper divisors (46867218576384).

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

21030113310000 is an equidigital number, since it uses as much as digits as its factorization.

21030113310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96289 (or 96268 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 21030113310000 its reverse (1331103012), we get a palindrome (21031444413012).

The spelling of 21030113310000 in words is "twenty-one trillion, thirty billion, one hundred thirteen million, three hundred ten thousand".