121321004241 has 8 divisors (see below), whose sum is σ = 161766702720. Its totient is φ = 80877987632.

The previous prime is 121321004191. The next prime is 121321004243. The reversal of 121321004241 is 142400123121.

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 121321004241 - 2⁶ = 121321004177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121321004243) 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, 562425 + ... + 747638.

It is an arithmetic number, because the mean of its divisors is an integer number (20220837840).

Almost surely, 2^121321004241 is an apocalyptic number.

It is an amenable number.

121321004241 is a deficient number, since it is larger than the sum of its proper divisors (40445698479).

121321004241 is a wasteful number, since it uses less digits than its factorization.

121321004241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340935.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121321004241 its reverse (142400123121), we get a palindrome (263721127362).

The spelling of 121321004241 in words is "one hundred twenty-one billion, three hundred twenty-one million, four thousand, two hundred forty-one".