1110121299169 has 2 divisors, whose sum is σ = 1110121299170. Its totient is φ = 1110121299168.

The previous prime is 1110121299163. The next prime is 1110121299197. The reversal of 1110121299169 is 9619921210111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 596118335569 + 514002963600 = 772087^2 + 716940^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110121299169 - 2⁵ = 1110121299137 is a prime.

It is a super-2 number, since 2×1110121299169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1110121299163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555060649584 + 555060649585.

It is an arithmetic number, because the mean of its divisors is an integer number (555060649585).

Almost surely, 2^{1110121299169} is an apocalyptic number.

It is an amenable number.

1110121299169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110121299169 is an equidigital number, since it uses as much as digits as its factorization.

1110121299169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 43.

The spelling of 1110121299169 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, two hundred ninety-nine thousand, one hundred sixty-nine".