21011022000200 has 192 divisors, whose sum is σ = 52468554297600. Its totient is φ = 7796541542400.

The previous prime is 21011022000139. The next prime is 21011022000253. The reversal of 21011022000200 is 200022011012.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157601570 + ... + 157734830.

It is an arithmetic number, because the mean of its divisors is an integer number (273273720300).

Almost surely, 2^{21011022000200} is an apocalyptic number.

21011022000200 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 21011022000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26234277148800).

21011022000200 is an abundant number, since it is smaller than the sum of its proper divisors (31457532297400).

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

21011022000200 is a wasteful number, since it uses less digits than its factorization.

21011022000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133960 (or 133951 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21011022000200 its reverse (200022011012), we get a palindrome (21211044011212).

The spelling of 21011022000200 in words is "twenty-one trillion, eleven billion, twenty-two million, two hundred", and thus it is an aban number.