21301111300200 has 96 divisors (see below), whose sum is σ = 67569106624800. Its totient is φ = 5548196424960.

The previous prime is 21301111300163. The next prime is 21301111300201. The reversal of 21301111300200 is 200311110312.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21301111300200.

It is not an unprimeable number, because it can be changed into a prime (21301111300201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412786435 + ... + 412838034.

It is an arithmetic number, because the mean of its divisors is an integer number (703844860675).

Almost surely, 2^{21301111300200} is an apocalyptic number.

21301111300200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21301111300200 is an abundant number, since it is smaller than the sum of its proper divisors (46267995324600).

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

21301111300200 is a wasteful number, since it uses less digits than its factorization.

21301111300200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825624531 (or 825624522 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 21301111300200 its reverse (200311110312), we get a palindrome (21501422410512).

The spelling of 21301111300200 in words is "twenty-one trillion, three hundred one billion, one hundred eleven million, three hundred thousand, two hundred".