210221122120201 has 8 divisors (see below), whose sum is σ = 210909624668064. Its totient is φ = 209533436788800.

The previous prime is 210221122120193. The next prime is 210221122120259. The reversal of 210221122120201 is 102021221122012.

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 210221122120201 - 2³ = 210221122120193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210221122120291) 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, 203788791 + ... + 204817756.

It is an arithmetic number, because the mean of its divisors is an integer number (26363703083508).

Almost surely, 2^{210221122120201} is an apocalyptic number.

It is an amenable number.

210221122120201 is a deficient number, since it is larger than the sum of its proper divisors (688502547863).

210221122120201 is a wasteful number, since it uses less digits than its factorization.

210221122120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408608231.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210221122120201 its reverse (102021221122012), we get a palindrome (312242343242213).

The spelling of 210221122120201 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, two hundred one".