141330221 has 2 divisors, whose sum is σ = 141330222. Its totient is φ = 141330220.

The previous prime is 141330191. The next prime is 141330223. The reversal of 141330221 is 122033141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139122025 + 2208196 = 11795^2 + 1486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141330221 is a prime.

Together with 141330223, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141330221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141330223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70665110 + 70665111.

It is an arithmetic number, because the mean of its divisors is an integer number (70665111).

Almost surely, 2^141330221 is an apocalyptic number.

It is an amenable number.

141330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

141330221 is an equidigital number, since it uses as much as digits as its factorization.

141330221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 141330221 is about 11888.2387677906. The cubic root of 141330221 is about 520.8887918816. Note that the first 3 decimals are identical.

Adding to 141330221 its reverse (122033141), we get a palindrome (263363362).

The spelling of 141330221 in words is "one hundred forty-one million, three hundred thirty thousand, two hundred twenty-one".