21202000210201 has 8 divisors (see below), whose sum is σ = 22477343805000. Its totient is φ = 19929786294528.

The previous prime is 21202000210151. The next prime is 21202000210373. The reversal of 21202000210201 is 10201200020212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1313432894601 + 19888567315600 = 1146051^2 + 4459660^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21202000210201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202000213201) 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, 782405826 + ... + 782432923.

It is an arithmetic number, because the mean of its divisors is an integer number (2809667975625).

Almost surely, 2^{21202000210201} is an apocalyptic number.

It is an amenable number.

21202000210201 is a deficient number, since it is larger than the sum of its proper divisors (1275343594799).

21202000210201 is a wasteful number, since it uses less digits than its factorization.

21202000210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564839563.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21202000210201 its reverse (10201200020212), we get a palindrome (31403200230413).

The spelling of 21202000210201 in words is "twenty-one trillion, two hundred two billion, two hundred ten thousand, two hundred one".