2211221141 has 2 divisors, whose sum is σ = 2211221142. Its totient is φ = 2211221140.

The previous prime is 2211221113. The next prime is 2211221149. The reversal of 2211221141 is 1411221122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1182672100 + 1028549041 = 34390^2 + 32071^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211221141 - 2²² = 2207026837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211221149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105610570 + 1105610571.

It is an arithmetic number, because the mean of its divisors is an integer number (1105610571).

Almost surely, 2^2211221141 is an apocalyptic number.

It is an amenable number.

2211221141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211221141 is an equidigital number, since it uses as much as digits as its factorization.

2211221141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64, while the sum is 17.

The square root of 2211221141 is about 47023.6232228015. The cubic root of 2211221141 is about 1302.7989282988.

Adding to 2211221141 its reverse (1411221122), we get a palindrome (3622442263).

The spelling of 2211221141 in words is "two billion, two hundred eleven million, two hundred twenty-one thousand, one hundred forty-one".