22112211221143 has 2 divisors, whose sum is σ = 22112211221144. Its totient is φ = 22112211221142.

The previous prime is 22112211221083. The next prime is 22112211221197. The reversal of 22112211221143 is 34112211221122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22112211221143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22112211021143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056105610571 + 11056105610572.

It is an arithmetic number, because the mean of its divisors is an integer number (11056105610572).

Almost surely, 2^{22112211221143} is an apocalyptic number.

22112211221143 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112211221143 is an equidigital number, since it uses as much as digits as its factorization.

22112211221143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

Adding to 22112211221143 its reverse (34112211221122), we get a palindrome (56224422442265).

The spelling of 22112211221143 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, one hundred forty-three".