200001221200101 has 16 divisors (see below), whose sum is σ = 282507537400704. Its totient is φ = 125423019131904.

The previous prime is 200001221200049. The next prime is 200001221200103. The reversal of 200001221200101 is 101002122100002.

It is not a de Polignac number, because 200001221200101 - 2¹⁵ = 200001221167333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001221200103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061517220 + ... + 1061705613.

It is an arithmetic number, because the mean of its divisors is an integer number (17656721087544).

Almost surely, 2^{200001221200101} is an apocalyptic number.

It is an amenable number.

200001221200101 is a deficient number, since it is larger than the sum of its proper divisors (82506316200603).

200001221200101 is a wasteful number, since it uses less digits than its factorization.

200001221200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123224700.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200001221200101 its reverse (101002122100002), we get a palindrome (301003343300103).

The spelling of 200001221200101 in words is "two hundred trillion, one billion, two hundred twenty-one million, two hundred thousand, one hundred one".