121144120241 has 4 divisors (see below), whose sum is σ = 121148096112. Its totient is φ = 121140144372.

The previous prime is 121144120211. The next prime is 121144120261. The reversal of 121144120241 is 142021441121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121144120241 - 2¹⁸ = 121143858097 is a prime.

It is a super-3 number, since 3×121144120241³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121144120211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1941875 + ... + 2003288.

It is an arithmetic number, because the mean of its divisors is an integer number (30287024028).

Almost surely, 2^121144120241 is an apocalyptic number.

It is an amenable number.

121144120241 is a deficient number, since it is larger than the sum of its proper divisors (3975871).

121144120241 is an equidigital number, since it uses as much as digits as its factorization.

121144120241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975870.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 121144120241 its reverse (142021441121), we get a palindrome (263165561362).

The spelling of 121144120241 in words is "one hundred twenty-one billion, one hundred forty-four million, one hundred twenty thousand, two hundred forty-one".