4021203320441 has 2 divisors, whose sum is σ = 4021203320442. Its totient is φ = 4021203320440.

The previous prime is 4021203320347. The next prime is 4021203320461. The reversal of 4021203320441 is 1440233021204.

4021203320441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3209726648041 + 811476672400 = 1791571^2 + 900820^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021203320441 - 2¹⁰ = 4021203319417 is a prime.

It is a super-2 number, since 2×4021203320441² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4021203320441.

It is not a weakly prime, because it can be changed into another prime (4021203320461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010601660220 + 2010601660221.

It is an arithmetic number, because the mean of its divisors is an integer number (2010601660221).

Almost surely, 2^{4021203320441} is an apocalyptic number.

It is an amenable number.

4021203320441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021203320441 is an equidigital number, since it uses as much as digits as its factorization.

4021203320441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 4021203320441 its reverse (1440233021204), we get a palindrome (5461436341645).

The spelling of 4021203320441 in words is "four trillion, twenty-one billion, two hundred three million, three hundred twenty thousand, four hundred forty-one".