221132231141 has 2 divisors, whose sum is σ = 221132231142. Its totient is φ = 221132231140.

The previous prime is 221132231107. The next prime is 221132231207. The reversal of 221132231141 is 141132231122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162723492100 + 58408739041 = 403390^2 + 241679^2 .

It is a cyclic number.

It is not a de Polignac number, because 221132231141 - 2³⁰ = 220058489317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221132231641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110566115570 + 110566115571.

It is an arithmetic number, because the mean of its divisors is an integer number (110566115571).

Almost surely, 2^221132231141 is an apocalyptic number.

It is an amenable number.

221132231141 is a deficient number, since it is larger than the sum of its proper divisors (1).

221132231141 is an equidigital number, since it uses as much as digits as its factorization.

221132231141 is an evil number, because the sum of its binary digits is even.

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

Adding to 221132231141 its reverse (141132231122), we get a palindrome (362264462263).

The spelling of 221132231141 in words is "two hundred twenty-one billion, one hundred thirty-two million, two hundred thirty-one thousand, one hundred forty-one".