221333333141 has 2 divisors, whose sum is σ = 221333333142. Its totient is φ = 221333333140.

The previous prime is 221333333107. The next prime is 221333333147. The reversal of 221333333141 is 141333333122.

221333333141 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., 208891046116 + 12442287025 = 457046^2 + 111545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221333333141 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221333333147) 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, 110666666570 + 110666666571.

It is an arithmetic number, because the mean of its divisors is an integer number (110666666571).

Almost surely, 2^221333333141 is an apocalyptic number.

It is an amenable number.

221333333141 is a deficient number, since it is larger than the sum of its proper divisors (1).

221333333141 is an equidigital number, since it uses as much as digits as its factorization.

221333333141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 29.

Adding to 221333333141 its reverse (141333333122), we get a palindrome (362666666263).

The spelling of 221333333141 in words is "two hundred twenty-one billion, three hundred thirty-three million, three hundred thirty-three thousand, one hundred forty-one".