1121111111167 has 2 divisors, whose sum is σ = 1121111111168. Its totient is φ = 1121111111166.

The previous prime is 1121111111023. The next prime is 1121111111201. The reversal of 1121111111167 is 7611111111211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121111111167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121111111767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560555555583 + 560555555584.

It is an arithmetic number, because the mean of its divisors is an integer number (560555555584).

Almost surely, 2^{1121111111167} is an apocalyptic number.

1121111111167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121111111167 is an equidigital number, since it uses as much as digits as its factorization.

1121111111167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84, while the sum is 25.

Adding to 1121111111167 its reverse (7611111111211), we get a palindrome (8732222222378).

The spelling of 1121111111167 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, one hundred eleven thousand, one hundred sixty-seven".