21211010000201 has 8 divisors (see below), whose sum is σ = 25517004511680. Its totient is φ = 17223978045168.

The previous prime is 21211010000129. The next prime is 21211010000237. The reversal of 21211010000201 is 10200001011212.

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

It is a de Polignac number, because none of the positive numbers 2^k-21211010000201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21211010000261) 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, 79740638966 + ... + 79740639231.

It is an arithmetic number, because the mean of its divisors is an integer number (3189625563960).

Almost surely, 2^{21211010000201} is an apocalyptic number.

It is an amenable number.

21211010000201 is a deficient number, since it is larger than the sum of its proper divisors (4305994511479).

21211010000201 is a wasteful number, since it uses less digits than its factorization.

21211010000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159481278223.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21211010000201 its reverse (10200001011212), we get a palindrome (31411011011413).

The spelling of 21211010000201 in words is "twenty-one trillion, two hundred eleven billion, ten million, two hundred one", and thus it is an aban number.