121433013441 has 12 divisors (see below), whose sum is σ = 175429980180. Its totient is φ = 80943001440.

The previous prime is 121433013433. The next prime is 121433013491. The reversal of 121433013441 is 144310334121.

121433013441 is a `hidden beast` number, since 1 + 2 + 14 + 3 + 301 + 344 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 84867925041 + 36565088400 = 291321^2 + 191220^2 .

It is not a de Polignac number, because 121433013441 - 2³ = 121433013433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121433013421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 965886 + ... + 1084343.

It is an arithmetic number, because the mean of its divisors is an integer number (14619165015).

Almost surely, 2^121433013441 is an apocalyptic number.

It is an amenable number.

121433013441 is a deficient number, since it is larger than the sum of its proper divisors (53996966739).

121433013441 is a wasteful number, since it uses less digits than its factorization.

121433013441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056816 (or 2056813 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 121433013441 its reverse (144310334121), we get a palindrome (265743347562).

The spelling of 121433013441 in words is "one hundred twenty-one billion, four hundred thirty-three million, thirteen thousand, four hundred forty-one".