201001221000200 has 96 divisors (see below), whose sum is σ = 468361161360000. Its totient is φ = 80222769580800.

The previous prime is 201001221000127. The next prime is 201001221000211. The reversal of 201001221000200 is 2000122100102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 573214526 + ... + 573565074.

It is an arithmetic number, because the mean of its divisors is an integer number (4878762097500).

Almost surely, 2^{201001221000200} is an apocalyptic number.

201001221000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001221000200 is an abundant number, since it is smaller than the sum of its proper divisors (267359940359800).

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

201001221000200 is a wasteful number, since it uses less digits than its factorization.

201001221000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356895 (or 356886 counting only the distinct ones).

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

Adding to 201001221000200 its reverse (2000122100102), we get a palindrome (203001343100302).

The spelling of 201001221000200 in words is "two hundred one trillion, one billion, two hundred twenty-one million, two hundred", and thus it is an aban number.