141221611 has 2 divisors, whose sum is σ = 141221612. Its totient is φ = 141221610.

The previous prime is 141221603. The next prime is 141221653. The reversal of 141221611 is 116122141.

It is a weak prime.

It is an emirp because it is prime and its reverse (116122141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141221611 - 2³ = 141221603 is a prime.

It is not a weakly prime, because it can be changed into another prime (141221681) 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 as a sum of consecutive naturals, namely, 70610805 + 70610806.

It is an arithmetic number, because the mean of its divisors is an integer number (70610806).

Almost surely, 2^141221611 is an apocalyptic number.

141221611 is a deficient number, since it is larger than the sum of its proper divisors (1).

141221611 is an equidigital number, since it uses as much as digits as its factorization.

141221611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 19.

The square root of 141221611 is about 11883.6699297818. The cubic root of 141221611 is about 520.7553261362.

Adding to 141221611 its reverse (116122141), we get a palindrome (257343752).

The spelling of 141221611 in words is "one hundred forty-one million, two hundred twenty-one thousand, six hundred eleven".