1222143321169 has 2 divisors, whose sum is σ = 1222143321170. Its totient is φ = 1222143321168.

The previous prime is 1222143321121. The next prime is 1222143321211. The reversal of 1222143321169 is 9611233412221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 947289530944 + 274853790225 = 973288^2 + 524265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222143321169 - 2⁷ = 1222143321041 is a prime.

It is a super-2 number, since 2×1222143321169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1222143321569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611071660584 + 611071660585.

It is an arithmetic number, because the mean of its divisors is an integer number (611071660585).

Almost surely, 2^{1222143321169} is an apocalyptic number.

It is an amenable number.

1222143321169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222143321169 is an equidigital number, since it uses as much as digits as its factorization.

1222143321169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The spelling of 1222143321169 in words is "one trillion, two hundred twenty-two billion, one hundred forty-three million, three hundred twenty-one thousand, one hundred sixty-nine".