210201112020121 has 8 divisors (see below), whose sum is σ = 211010324616000. Its totient is φ = 209392105319760.

The previous prime is 210201112020089. The next prime is 210201112020161. The reversal of 210201112020121 is 121020211102012.

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 210201112020121 - 2⁵ = 210201112020089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210201112020095 and 210201112020104.

It is not an unprimeable number, because it can be changed into a prime (210201112020161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49427971 + ... + 53511928.

It is an arithmetic number, because the mean of its divisors is an integer number (26376290577000).

Almost surely, 2^{210201112020121} is an apocalyptic number.

It is an amenable number.

210201112020121 is a deficient number, since it is larger than the sum of its proper divisors (809212595879).

210201112020121 is a wasteful number, since it uses less digits than its factorization.

210201112020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102947759.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210201112020121 its reverse (121020211102012), we get a palindrome (331221323122133).

The spelling of 210201112020121 in words is "two hundred ten trillion, two hundred one billion, one hundred twelve million, twenty thousand, one hundred twenty-one".