1122423142171 has 2 divisors, whose sum is σ = 1122423142172. Its totient is φ = 1122423142170.

The previous prime is 1122423142147. The next prime is 1122423142201. The reversal of 1122423142171 is 1712413242211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122423142171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122423142571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561211571085 + 561211571086.

It is an arithmetic number, because the mean of its divisors is an integer number (561211571086).

Almost surely, 2^{1122423142171} is an apocalyptic number.

1122423142171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122423142171 is an equidigital number, since it uses as much as digits as its factorization.

1122423142171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

Adding to 1122423142171 its reverse (1712413242211), we get a palindrome (2834836384382).

The spelling of 1122423142171 in words is "one trillion, one hundred twenty-two billion, four hundred twenty-three million, one hundred forty-two thousand, one hundred seventy-one".