1222100011169 has 2 divisors, whose sum is σ = 1222100011170. Its totient is φ = 1222100011168.

The previous prime is 1222100011081. The next prime is 1222100011177. The reversal of 1222100011169 is 9611100012221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1025992745569 + 196107265600 = 1012913^2 + 442840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222100011169 - 2²⁴ = 1222083233953 is a prime.

It is a super-2 number, since 2×1222100011169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1222100011969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611050005584 + 611050005585.

It is an arithmetic number, because the mean of its divisors is an integer number (611050005585).

Almost surely, 2^{1222100011169} is an apocalyptic number.

It is an amenable number.

1222100011169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222100011169 is an equidigital number, since it uses as much as digits as its factorization.

1222100011169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 1222100011169 in words is "one trillion, two hundred twenty-two billion, one hundred million, eleven thousand, one hundred sixty-nine".