21113002330200 has 576 divisors, whose sum is σ = 79743697862400. Its totient is φ = 4960990540800.

The previous prime is 21113002330159. The next prime is 21113002330243. The reversal of 21113002330200 is 203320031112.

21113002330200 is a `hidden beast` number, since 2 + 1 + 1 + 130 + 0 + 2 + 330 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 192619011 + ... + 192728589.

It is an arithmetic number, because the mean of its divisors is an integer number (138443919900).

Almost surely, 2^{21113002330200} is an apocalyptic number.

21113002330200 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 21113002330200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39871848931200).

21113002330200 is an abundant number, since it is smaller than the sum of its proper divisors (58630695532200).

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

21113002330200 is a wasteful number, since it uses less digits than its factorization.

21113002330200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109912 (or 109900 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21113002330200 its reverse (203320031112), we get a palindrome (21316322361312).

The spelling of 21113002330200 in words is "twenty-one trillion, one hundred thirteen billion, two million, three hundred thirty thousand, two hundred".