121140241120121 has 8 divisors (see below), whose sum is σ = 121163529478464. Its totient is φ = 121116953986000.

The previous prime is 121140241120097. The next prime is 121140241120159. The reversal of 121140241120121 is 121021142041121.

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 121140241120121 - 2¹⁴ = 121140241103737 is a prime.

It is a super-3 number, since 3×121140241120121³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121140241129121) 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, 211589996 + ... + 212161746.

It is an arithmetic number, because the mean of its divisors is an integer number (15145441184808).

Almost surely, 2^{121140241120121} is an apocalyptic number.

It is an amenable number.

121140241120121 is a deficient number, since it is larger than the sum of its proper divisors (23288358343).

121140241120121 is an equidigital number, since it uses as much as digits as its factorization.

121140241120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612111.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 121140241120121 its reverse (121021142041121), we get a palindrome (242161383161242).

The spelling of 121140241120121 in words is "one hundred twenty-one trillion, one hundred forty billion, two hundred forty-one million, one hundred twenty thousand, one hundred twenty-one".