4021302224421 has 8 divisors (see below), whose sum is σ = 5957484776960. Its totient is φ = 2680868149596.

The previous prime is 4021302224413. The next prime is 4021302224447. The reversal of 4021302224421 is 1244222031204.

It is a happy number.

4021302224421 is a `hidden beast` number, since 4 + 0 + 2 + 13 + 0 + 2 + 224 + 421 = 666.

It is not a de Polignac number, because 4021302224421 - 2³ = 4021302224413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 148937119423 = 4021302224421 / (4 + 0 + 2 + 1 + 3 + 0 + 2 + 2 + 2 + 4 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021302224491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74468559685 + ... + 74468559738.

It is an arithmetic number, because the mean of its divisors is an integer number (744685597120).

Almost surely, 2^{4021302224421} is an apocalyptic number.

It is an amenable number.

4021302224421 is a deficient number, since it is larger than the sum of its proper divisors (1936182552539).

4021302224421 is a wasteful number, since it uses less digits than its factorization.

4021302224421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148937119432 (or 148937119426 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 4021302224421 its reverse (1244222031204), we get a palindrome (5265524255625).

The spelling of 4021302224421 in words is "four trillion, twenty-one billion, three hundred two million, two hundred twenty-four thousand, four hundred twenty-one".