4121131522121 has 8 divisors (see below), whose sum is σ = 4392944995200. Its totient is φ = 3854809230480.

The previous prime is 4121131522043. The next prime is 4121131522153. The reversal of 4121131522121 is 1212251311214.

4121131522121 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 4121131522121 - 2²² = 4121127327817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4121131524121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372793810 + ... + 1372796811.

It is an arithmetic number, because the mean of its divisors is an integer number (549118124400).

Almost surely, 2^{4121131522121} is an apocalyptic number.

It is an amenable number.

4121131522121 is a deficient number, since it is larger than the sum of its proper divisors (271813473079).

4121131522121 is a wasteful number, since it uses less digits than its factorization.

4121131522121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745590719.

The product of its digits is 960, while the sum is 26.

Adding to 4121131522121 its reverse (1212251311214), we get a palindrome (5333382833335).

The spelling of 4121131522121 in words is "four trillion, one hundred twenty-one billion, one hundred thirty-one million, five hundred twenty-two thousand, one hundred twenty-one".