221311141043 has 2 divisors, whose sum is σ = 221311141044. Its totient is φ = 221311141042.

The previous prime is 221311141039. The next prime is 221311141057. The reversal of 221311141043 is 340141113122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221311141043 - 2² = 221311141039 is a prime.

It is a super-2 number, since 2×221311141043² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (221311141033) 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, 110655570521 + 110655570522.

It is an arithmetic number, because the mean of its divisors is an integer number (110655570522).

Almost surely, 2^221311141043 is an apocalyptic number.

221311141043 is a deficient number, since it is larger than the sum of its proper divisors (1).

221311141043 is an equidigital number, since it uses as much as digits as its factorization.

221311141043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 221311141043 its reverse (340141113122), we get a palindrome (561452254165).

The spelling of 221311141043 in words is "two hundred twenty-one billion, three hundred eleven million, one hundred forty-one thousand, forty-three".