4201043430021 has 8 divisors (see below), whose sum is σ = 5601669761184. Its totient is φ = 2800556359440.

The previous prime is 4201043430011. The next prime is 4201043430083. The reversal of 4201043430021 is 1200343401024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4201043430021 - 2⁷ = 4201043429893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4201043429973 and 4201043430000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201043430011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34744735 + ... + 34865436.

It is an arithmetic number, because the mean of its divisors is an integer number (700208720148).

Almost surely, 2^{4201043430021} is an apocalyptic number.

It is an amenable number.

4201043430021 is a deficient number, since it is larger than the sum of its proper divisors (1400626331163).

4201043430021 is a wasteful number, since it uses less digits than its factorization.

4201043430021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69630291.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 4201043430021 its reverse (1200343401024), we get a palindrome (5401386831045).

The spelling of 4201043430021 in words is "four trillion, two hundred one billion, forty-three million, four hundred thirty thousand, twenty-one".