221024420441411 has 16 divisors (see below), whose sum is σ = 234826620887040. Its totient is φ = 207634316077440.

The previous prime is 221024420441393. The next prime is 221024420441413. The reversal of 221024420441411 is 114144024420122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 221024420441411 - 2¹⁸ = 221024420179267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221024420441413) 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 15 ways as a sum of consecutive naturals, for example, 413961641 + ... + 414495221.

It is an arithmetic number, because the mean of its divisors is an integer number (14676663805440).

Almost surely, 2^{221024420441411} is an apocalyptic number.

221024420441411 is a deficient number, since it is larger than the sum of its proper divisors (13802200445629).

221024420441411 is a wasteful number, since it uses less digits than its factorization.

221024420441411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919694.

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 221024420441411 its reverse (114144024420122), we get a palindrome (335168444861533).

The spelling of 221024420441411 in words is "two hundred twenty-one trillion, twenty-four billion, four hundred twenty million, four hundred forty-one thousand, four hundred eleven".