210221010021201 has 16 divisors (see below), whose sum is σ = 298917729028800. Its totient is φ = 130954433660928.

The previous prime is 210221010021053. The next prime is 210221010021227. The reversal of 210221010021201 is 102120010122012.

210221010021201 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-210221010021201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210221010021301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14827261216 + ... + 14827275393.

It is an arithmetic number, because the mean of its divisors is an integer number (18682358064300).

Almost surely, 2^{210221010021201} is an apocalyptic number.

It is an amenable number.

210221010021201 is a deficient number, since it is larger than the sum of its proper divisors (88696719007599).

210221010021201 is a wasteful number, since it uses less digits than its factorization.

210221010021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29654536768.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210221010021201 its reverse (102120010122012), we get a palindrome (312341020143213).

The spelling of 210221010021201 in words is "two hundred ten trillion, two hundred twenty-one billion, ten million, twenty-one thousand, two hundred one".