21023201000200 has 384 divisors, whose sum is σ = 60211574784000. Its totient is φ = 6667633843200.

The previous prime is 21023201000183. The next prime is 21023201000201. The reversal of 21023201000200 is 200010232012.

It is a super-3 number, since 3×21023201000200³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21023201000201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1665989491 + ... + 1666002109.

It is an arithmetic number, because the mean of its divisors is an integer number (156800976000).

Almost surely, 2^{21023201000200} is an apocalyptic number.

21023201000200 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 21023201000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30105787392000).

21023201000200 is an abundant number, since it is smaller than the sum of its proper divisors (39188373783800).

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

21023201000200 is a wasteful number, since it uses less digits than its factorization.

21023201000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14365 (or 14356 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 21023201000200 its reverse (200010232012), we get a palindrome (21223211232212).

The spelling of 21023201000200 in words is "twenty-one trillion, twenty-three billion, two hundred one million, two hundred", and thus it is an aban number.