1111120169 has 2 divisors, whose sum is σ = 1111120170. Its totient is φ = 1111120168.

The previous prime is 1111120147. The next prime is 1111120183. The reversal of 1111120169 is 9610211111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1065043225 + 46076944 = 32635^2 + 6788^2 .

It is an emirp because it is prime and its reverse (9610211111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111120169 - 2⁸ = 1111119913 is a prime.

It is a super-2 number, since 2×1111120169² = 2469176059917177122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111120139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555560084 + 555560085.

It is an arithmetic number, because the mean of its divisors is an integer number (555560085).

Almost surely, 2^1111120169 is an apocalyptic number.

It is an amenable number.

1111120169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111120169 is an equidigital number, since it uses as much as digits as its factorization.

1111120169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 23.

The square root of 1111120169 is about 33333.4692013898. The cubic root of 1111120169 is about 1035.7469831403.

The spelling of 1111120169 in words is "one billion, one hundred eleven million, one hundred twenty thousand, one hundred sixty-nine".