221344041441403 has 2 divisors, whose sum is σ = 221344041441404. Its totient is φ = 221344041441402.

The previous prime is 221344041441377. The next prime is 221344041441427. The reversal of 221344041441403 is 304144140443122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221344041441403 - 2³³ = 221335451506811 is a prime.

It is a super-2 number, since 2×221344041441403² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221344041441203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110672020720701 + 110672020720702.

It is an arithmetic number, because the mean of its divisors is an integer number (110672020720702).

Almost surely, 2^{221344041441403} is an apocalyptic number.

221344041441403 is a deficient number, since it is larger than the sum of its proper divisors (1).

221344041441403 is an equidigital number, since it uses as much as digits as its factorization.

221344041441403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 221344041441403 its reverse (304144140443122), we get a palindrome (525488181884525).

The spelling of 221344041441403 in words is "two hundred twenty-one trillion, three hundred forty-four billion, forty-one million, four hundred forty-one thousand, four hundred three".