12110002002121 has 4 divisors (see below), whose sum is σ = 12110009418000. Its totient is φ = 12109994586244.

The previous prime is 12110002002103. The next prime is 12110002002139. The reversal of 12110002002121 is 12120020001121.

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, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (12110002002103) and next prime (12110002002139).

It is a cyclic number.

It is not a de Polignac number, because 12110002002121 - 2⁹ = 12110002001609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110002002191) 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 3 ways as a sum of consecutive naturals, for example, 66271 + ... + 4921828.

It is an arithmetic number, because the mean of its divisors is an integer number (3027502354500).

Almost surely, 2^{12110002002121} is an apocalyptic number.

It is an amenable number.

12110002002121 is a deficient number, since it is larger than the sum of its proper divisors (7415879).

12110002002121 is an equidigital number, since it uses as much as digits as its factorization.

12110002002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7415878.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12110002002121 its reverse (12120020001121), we get a palindrome (24230022003242).

The spelling of 12110002002121 in words is "twelve trillion, one hundred ten billion, two million, two thousand, one hundred twenty-one".