121411044321 has 16 divisors (see below), whose sum is σ = 185020387200. Its totient is φ = 69372834048.

The previous prime is 121411044289. The next prime is 121411044367. The reversal of 121411044321 is 123440114121.

It is a happy number.

It is not a de Polignac number, because 121411044321 - 2⁵ = 121411044289 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121411044291 and 121411044300.

It is not an unprimeable number, because it can be changed into a prime (121411049321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110985 + ... + 505113.

It is an arithmetic number, because the mean of its divisors is an integer number (11563774200).

Almost surely, 2^121411044321 is an apocalyptic number.

It is an amenable number.

121411044321 is a deficient number, since it is larger than the sum of its proper divisors (63609342879).

121411044321 is a wasteful number, since it uses less digits than its factorization.

121411044321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408808.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 121411044321 its reverse (123440114121), we get a palindrome (244851158442).

The spelling of 121411044321 in words is "one hundred twenty-one billion, four hundred eleven million, forty-four thousand, three hundred twenty-one".