211021210000201 has 4 divisors (see below), whose sum is σ = 223434222353172. Its totient is φ = 198608197647232.

The previous prime is 211021210000163. The next prime is 211021210000231. The reversal of 211021210000201 is 102000012120112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 144616883256976 + 66404326743225 = 12025676^2 + 8148885^2 .

It is a cyclic number.

It is not a de Polignac number, because 211021210000201 - 2⁹ = 211021209999689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211021210000231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6206506176460 + ... + 6206506176493.

It is an arithmetic number, because the mean of its divisors is an integer number (55858555588293).

Almost surely, 2^{211021210000201} is an apocalyptic number.

It is an amenable number.

211021210000201 is a deficient number, since it is larger than the sum of its proper divisors (12413012352971).

211021210000201 is a wasteful number, since it uses less digits than its factorization.

211021210000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12413012352970.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211021210000201 its reverse (102000012120112), we get a palindrome (313021222120313).

The spelling of 211021210000201 in words is "two hundred eleven trillion, twenty-one billion, two hundred ten million, two hundred one", and thus it is an aban number.