12102110000121 has 4 divisors (see below), whose sum is σ = 16136146666832. Its totient is φ = 8068073333412.

The previous prime is 12102110000093. The next prime is 12102110000179. The reversal of 12102110000121 is 12100001120121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12102110000121 - 2¹⁰ = 12102109999097 is a prime.

It is a super-2 number, since 2×12102110000121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102110000097 and 12102110000106.

It is not an unprimeable number, because it can be changed into a prime (12102110005121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017018333351 + ... + 2017018333356.

It is an arithmetic number, because the mean of its divisors is an integer number (4034036666708).

Almost surely, 2^{12102110000121} is an apocalyptic number.

It is an amenable number.

12102110000121 is a deficient number, since it is larger than the sum of its proper divisors (4034036666711).

12102110000121 is an equidigital number, since it uses as much as digits as its factorization.

12102110000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034036666710.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12102110000121 its reverse (12100001120121), we get a palindrome (24202111120242).

The spelling of 12102110000121 in words is "twelve trillion, one hundred two billion, one hundred ten million, one hundred twenty-one", and thus it is an aban number.