210102110212121 has 8 divisors (see below), whose sum is σ = 211678875569664. Its totient is φ = 208530311045680.

The previous prime is 210102110212037. The next prime is 210102110212151. The reversal of 210102110212121 is 121212011201012.

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 210102110212121 - 2²⁶ = 210102043103257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210102110212121.

It is not an unprimeable number, because it can be changed into a prime (210102110212151) 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, 1241462846 + ... + 1241632071.

It is an arithmetic number, because the mean of its divisors is an integer number (26459859446208).

Almost surely, 2^{210102110212121} is an apocalyptic number.

It is an amenable number.

210102110212121 is a deficient number, since it is larger than the sum of its proper divisors (1576765357543).

210102110212121 is a wasteful number, since it uses less digits than its factorization.

210102110212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483095551.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 210102110212121 its reverse (121212011201012), we get a palindrome (331314121413133).

The spelling of 210102110212121 in words is "two hundred ten trillion, one hundred two billion, one hundred ten million, two hundred twelve thousand, one hundred twenty-one".