221341303143127 has 2 divisors, whose sum is σ = 221341303143128. Its totient is φ = 221341303143126.

The previous prime is 221341303143113. The next prime is 221341303143151. The reversal of 221341303143127 is 721341303143122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221341303143127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221341303143197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110670651571563 + 110670651571564.

It is an arithmetic number, because the mean of its divisors is an integer number (110670651571564).

Almost surely, 2^{221341303143127} is an apocalyptic number.

221341303143127 is a deficient number, since it is larger than the sum of its proper divisors (1).

221341303143127 is an equidigital number, since it uses as much as digits as its factorization.

221341303143127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

Adding to 221341303143127 its reverse (721341303143122), we get a palindrome (942682606286249).

The spelling of 221341303143127 in words is "two hundred twenty-one trillion, three hundred forty-one billion, three hundred three million, one hundred forty-three thousand, one hundred twenty-seven".