200021000200101 has 24 divisors (see below), whose sum is σ = 299003107272480. Its totient is φ = 128696960591136.

The previous prime is 200021000200069. The next prime is 200021000200129. The reversal of 200021000200101 is 101002000120002.

It is not a de Polignac number, because 200021000200101 - 2⁵ = 200021000200069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021000200201) 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, 154679175 + ... + 155966948.

It is an arithmetic number, because the mean of its divisors is an integer number (12458462803020).

Almost surely, 2^{200021000200101} is an apocalyptic number.

It is an amenable number.

200021000200101 is a deficient number, since it is larger than the sum of its proper divisors (98982107072379).

200021000200101 is a wasteful number, since it uses less digits than its factorization.

200021000200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310648625 (or 310648622 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200021000200101 its reverse (101002000120002), we get a palindrome (301023000320103).

The spelling of 200021000200101 in words is "two hundred trillion, twenty-one billion, two hundred thousand, one hundred one".