21000200201 has 8 divisors (see below), whose sum is σ = 21269675520. Its totient is φ = 20730816288.

The previous prime is 21000200153. The next prime is 21000200251. The reversal of 21000200201 is 10200200012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21000200201 - 2¹⁰ = 21000199177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21000200251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522320 + ... + 561086.

It is an arithmetic number, because the mean of its divisors is an integer number (2658709440).

Almost surely, 2^21000200201 is an apocalyptic number.

It is an amenable number.

21000200201 is a deficient number, since it is larger than the sum of its proper divisors (269475319).

21000200201 is an equidigital number, since it uses as much as digits as its factorization.

21000200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45703.

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

Adding to 21000200201 its reverse (10200200012), we get a palindrome (31200400213).

The spelling of 21000200201 in words is "twenty-one billion, two hundred thousand, two hundred one".