4222421024121 has 12 divisors (see below), whose sum is σ = 6099613152048. Its totient is φ = 2814688628664.

The previous prime is 4222421024111. The next prime is 4222421024167. The reversal of 4222421024121 is 1214201242224.

4222421024121 is a `hidden beast` number, since 4 + 2 + 2 + 242 + 1 + 0 + 2 + 412 + 1 = 666.

It is not a de Polignac number, because 4222421024121 - 2⁹ = 4222421023609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4222421024111) 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 11 ways as a sum of consecutive naturals, for example, 21456675 + ... + 21652568.

It is an arithmetic number, because the mean of its divisors is an integer number (508301096004).

Almost surely, 2^{4222421024121} is an apocalyptic number.

It is an amenable number.

4222421024121 is a deficient number, since it is larger than the sum of its proper divisors (1877192127927).

4222421024121 is a wasteful number, since it uses less digits than its factorization.

4222421024121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43120132 (or 43120129 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 4222421024121 its reverse (1214201242224), we get a palindrome (5436622266345).

The spelling of 4222421024121 in words is "four trillion, two hundred twenty-two billion, four hundred twenty-one million, twenty-four thousand, one hundred twenty-one".