4021441321111 has 2 divisors, whose sum is σ = 4021441321112. Its totient is φ = 4021441321110.

The previous prime is 4021441321063. The next prime is 4021441321133. The reversal of 4021441321111 is 1111231441204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021441321111 - 2²⁷ = 4021307103383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021441321141) 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 as a sum of consecutive naturals, namely, 2010720660555 + 2010720660556.

It is an arithmetic number, because the mean of its divisors is an integer number (2010720660556).

Almost surely, 2^{4021441321111} is an apocalyptic number.

4021441321111 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021441321111 is an equidigital number, since it uses as much as digits as its factorization.

4021441321111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 4021441321111 its reverse (1111231441204), we get a palindrome (5132672762315).

The spelling of 4021441321111 in words is "four trillion, twenty-one billion, four hundred forty-one million, three hundred twenty-one thousand, one hundred eleven".