210112221121 has 8 divisors (see below), whose sum is σ = 231482772288. Its totient is φ = 189119910000.

The previous prime is 210112221119. The next prime is 210112221169. The reversal of 210112221121 is 121122211012.

210112221121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 210112221121 - 2¹ = 210112221119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210112221095 and 210112221104.

It is not an unprimeable number, because it can be changed into a prime (210112221721) 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 7 ways as a sum of consecutive naturals, for example, 94558845 + ... + 94561066.

It is an arithmetic number, because the mean of its divisors is an integer number (28935346536).

Almost surely, 2^210112221121 is an apocalyptic number.

It is an amenable number.

210112221121 is a deficient number, since it is larger than the sum of its proper divisors (21370551167).

210112221121 is a wasteful number, since it uses less digits than its factorization.

210112221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189120023.

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

Adding to 210112221121 its reverse (121122211012), we get a palindrome (331234432133).

The spelling of 210112221121 in words is "two hundred ten billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-one".