1101111163 has 2 divisors, whose sum is σ = 1101111164. Its totient is φ = 1101111162.

The previous prime is 1101111149. The next prime is 1101111203. The reversal of 1101111163 is 3611111011.

It is a weak prime.

It is an emirp because it is prime and its reverse (3611111011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101111163 - 2¹⁷ = 1100980091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101111763) 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, 550555581 + 550555582.

It is an arithmetic number, because the mean of its divisors is an integer number (550555582).

Almost surely, 2^1101111163 is an apocalyptic number.

1101111163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101111163 is an equidigital number, since it uses as much as digits as its factorization.

1101111163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 16.

The square root of 1101111163 is about 33182.9950878458. The cubic root of 1101111163 is about 1032.6275837784.

Adding to 1101111163 its reverse (3611111011), we get a palindrome (4712222174).

The spelling of 1101111163 in words is "one billion, one hundred one million, one hundred eleven thousand, one hundred sixty-three".