121223120241 has 8 divisors (see below), whose sum is σ = 161806707520. Its totient is φ = 80727473232.

The previous prime is 121223120177. The next prime is 121223120257. The reversal of 121223120241 is 142021322121.

It is a happy number.

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

It is not a de Polignac number, because 121223120241 - 2⁶ = 121223120177 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 (121223128241) 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, 21981850 + ... + 21987363.

It is an arithmetic number, because the mean of its divisors is an integer number (20225838440).

Almost surely, 2^121223120241 is an apocalyptic number.

It is an amenable number.

121223120241 is a deficient number, since it is larger than the sum of its proper divisors (40583587279).

121223120241 is an equidigital number, since it uses as much as digits as its factorization.

121223120241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43970135.

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

Adding to 121223120241 its reverse (142021322121), we get a palindrome (263244442362).

The spelling of 121223120241 in words is "one hundred twenty-one billion, two hundred twenty-three million, one hundred twenty thousand, two hundred forty-one".