12110212121021 has 8 divisors (see below), whose sum is σ = 13840444225344. Its totient is φ = 10380030467040.

The previous prime is 12110212121017. The next prime is 12110212121041. The reversal of 12110212121021 is 12012121201121.

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 12110212121021 - 2² = 12110212121017 is a prime.

It is a super-3 number, since 3×12110212121021³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110212121041) 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, 12096800 + ... + 13059593.

It is an arithmetic number, because the mean of its divisors is an integer number (1730055528168).

Almost surely, 2^{12110212121021} is an apocalyptic number.

It is an amenable number.

12110212121021 is a deficient number, since it is larger than the sum of its proper divisors (1730232104323).

12110212121021 is an equidigital number, since it uses as much as digits as its factorization.

12110212121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25225171.

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

Adding to 12110212121021 its reverse (12012121201121), we get a palindrome (24122333322142).

The spelling of 12110212121021 in words is "twelve trillion, one hundred ten billion, two hundred twelve million, one hundred twenty-one thousand, twenty-one".