221433141211441 has 4 divisors (see below), whose sum is σ = 221433187023972. Its totient is φ = 221433095398912.

The previous prime is 221433141211439. The next prime is 221433141211463. The reversal of 221433141211441 is 144112141334122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57237108001441 + 164196033210000 = 7565521^2 + 12813900^2 .

It is a cyclic number.

It is not a de Polignac number, because 221433141211441 - 2¹ = 221433141211439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221433141211397 and 221433141211406.

It is not an unprimeable number, because it can be changed into a prime (221433141211421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14668576 + ... + 25652161.

It is an arithmetic number, because the mean of its divisors is an integer number (55358296755993).

Almost surely, 2^{221433141211441} is an apocalyptic number.

It is an amenable number.

221433141211441 is a deficient number, since it is larger than the sum of its proper divisors (45812531).

221433141211441 is an equidigital number, since it uses as much as digits as its factorization.

221433141211441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45812530.

The product of its digits is 18432, while the sum is 34.

Adding to 221433141211441 its reverse (144112141334122), we get a palindrome (365545282545563).

The spelling of 221433141211441 in words is "two hundred twenty-one trillion, four hundred thirty-three billion, one hundred forty-one million, two hundred eleven thousand, four hundred forty-one".