210201130121 has 12 divisors (see below), whose sum is σ = 216504363600. Its totient is φ = 204022365768.

The previous prime is 210201130093. The next prime is 210201130123. The reversal of 210201130121 is 121031102012.

210201130121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210201130121 - 2¹⁸ = 210200867977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210201130096 and 210201130105.

It is not an unprimeable number, because it can be changed into a prime (210201130123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82790 + ... + 653648.

It is an arithmetic number, because the mean of its divisors is an integer number (18042030300).

Almost surely, 2^210201130121 is an apocalyptic number.

It is an amenable number.

210201130121 is a deficient number, since it is larger than the sum of its proper divisors (6303233479).

210201130121 is an frugal number, since it uses more digits than its factorization.

210201130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571076 (or 570997 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 210201130121 its reverse (121031102012), we get a palindrome (331232232133).

The spelling of 210201130121 in words is "two hundred ten billion, two hundred one million, one hundred thirty thousand, one hundred twenty-one".