121044315121 has 8 divisors (see below), whose sum is σ = 121531374720. Its totient is φ = 120557380608.

The previous prime is 121044315103. The next prime is 121044315157. The reversal of 121044315121 is 121513440121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121044315121 is a prime.

It is a super-2 number, since 2×121044315121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121044315101) 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, 2236660 + ... + 2290138.

It is an arithmetic number, because the mean of its divisors is an integer number (15191421840).

Almost surely, 2^121044315121 is an apocalyptic number.

It is an amenable number.

121044315121 is a deficient number, since it is larger than the sum of its proper divisors (487059599).

121044315121 is an equidigital number, since it uses as much as digits as its factorization.

121044315121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62543.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 121044315121 its reverse (121513440121), we get a palindrome (242557755242).

The spelling of 121044315121 in words is "one hundred twenty-one billion, forty-four million, three hundred fifteen thousand, one hundred twenty-one".