4210420044021 has 16 divisors (see below), whose sum is σ = 5631758544384. Its totient is φ = 2798018968304.

The previous prime is 4210420043957. The next prime is 4210420044023. The reversal of 4210420044021 is 1204400240124.

4210420044021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4210420044021 - 2⁶ = 4210420043957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4210420043982 and 4210420044000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4210420044023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2880016 + ... + 4088438.

It is an arithmetic number, because the mean of its divisors is an integer number (351984909024).

Almost surely, 2^{4210420044021} is an apocalyptic number.

It is an amenable number.

4210420044021 is a deficient number, since it is larger than the sum of its proper divisors (1421338500363).

4210420044021 is a wasteful number, since it uses less digits than its factorization.

4210420044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212120.

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

Adding to 4210420044021 its reverse (1204400240124), we get a palindrome (5414820284145).

The spelling of 4210420044021 in words is "four trillion, two hundred ten billion, four hundred twenty million, forty-four thousand, twenty-one".