221224411141 has 2 divisors, whose sum is σ = 221224411142. Its totient is φ = 221224411140.

The previous prime is 221224411123. The next prime is 221224411147. The reversal of 221224411141 is 141114422122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140440560516 + 80783850625 = 374754^2 + 284225^2 .

It is a cyclic number.

It is not a de Polignac number, because 221224411141 - 2³⁵ = 186864672773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221224411147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110612205570 + 110612205571.

It is an arithmetic number, because the mean of its divisors is an integer number (110612205571).

Almost surely, 2^221224411141 is an apocalyptic number.

It is an amenable number.

221224411141 is a deficient number, since it is larger than the sum of its proper divisors (1).

221224411141 is an equidigital number, since it uses as much as digits as its factorization.

221224411141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024, while the sum is 25.

Adding to 221224411141 its reverse (141114422122), we get a palindrome (362338833263).

The spelling of 221224411141 in words is "two hundred twenty-one billion, two hundred twenty-four million, four hundred eleven thousand, one hundred forty-one".