4022004004121 has 2 divisors, whose sum is σ = 4022004004122. Its totient is φ = 4022004004120.

The previous prime is 4022004004099. The next prime is 4022004004147. The reversal of 4022004004121 is 1214004002204.

4022004004121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3647660713225 + 374343290896 = 1909885^2 + 611836^2 .

It is a cyclic number.

It is not a de Polignac number, because 4022004004121 - 2¹⁰ = 4022004003097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4022004004093 and 4022004004102.

It is not a weakly prime, because it can be changed into another prime (4022004004171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011002002060 + 2011002002061.

It is an arithmetic number, because the mean of its divisors is an integer number (2011002002061).

Almost surely, 2^{4022004004121} is an apocalyptic number.

It is an amenable number.

4022004004121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022004004121 is an equidigital number, since it uses as much as digits as its factorization.

4022004004121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 4022004004121 its reverse (1214004002204), we get a palindrome (5236008006325).

The spelling of 4022004004121 in words is "four trillion, twenty-two billion, four million, four thousand, one hundred twenty-one".