44121020121 has 24 divisors (see below), whose sum is σ = 64183204800. Its totient is φ = 29205165600.

The previous prime is 44121020117. The next prime is 44121020161. The reversal of 44121020121 is 12102012144.

44121020121 is a `hidden beast` number, since 441 + 2 + 1 + 0 + 201 + 21 = 666.

44121020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44121020121 - 2² = 44121020117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44121020094 and 44121020103.

It is not an unprimeable number, because it can be changed into a prime (44121020101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4703566 + ... + 4712936.

It is an arithmetic number, because the mean of its divisors is an integer number (2674300200).

Almost surely, 2^44121020121 is an apocalyptic number.

It is an amenable number.

44121020121 is a deficient number, since it is larger than the sum of its proper divisors (20062184679).

44121020121 is a wasteful number, since it uses less digits than its factorization.

44121020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13037 (or 13034 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 44121020121 its reverse (12102012144), we get a palindrome (56223032265).

The spelling of 44121020121 in words is "forty-four billion, one hundred twenty-one million, twenty thousand, one hundred twenty-one".