4224020240121 has 32 divisors (see below), whose sum is σ = 6359707699200. Its totient is φ = 2470252303680.

The previous prime is 4224020240053. The next prime is 4224020240129. The reversal of 4224020240121 is 1210420204224.

It is a happy number.

It is not a de Polignac number, because 4224020240121 - 2¹⁰ = 4224020239097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4224020240091 and 4224020240100.

It is not an unprimeable number, because it can be changed into a prime (4224020240129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271440 + ... + 2919198.

It is an arithmetic number, because the mean of its divisors is an integer number (198740865600).

Almost surely, 2^{4224020240121} is an apocalyptic number.

It is an amenable number.

4224020240121 is a deficient number, since it is larger than the sum of its proper divisors (2135687459079).

4224020240121 is a wasteful number, since it uses less digits than its factorization.

4224020240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649469.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 4224020240121 its reverse (1210420204224), we get a palindrome (5434440444345).

The spelling of 4224020240121 in words is "four trillion, two hundred twenty-four billion, twenty million, two hundred forty thousand, one hundred twenty-one".