111101110112189 has 2 divisors, whose sum is σ = 111101110112190. Its totient is φ = 111101110112188.

The previous prime is 111101110112093. The next prime is 111101110112219. The reversal of 111101110112189 is 981211011101111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108024488871289 + 3076621240900 = 10393483^2 + 1754030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111101110112189 is a prime.

It is a super-3 number, since 3×111101110112189³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111101110102189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550555056094 + 55550555056095.

It is an arithmetic number, because the mean of its divisors is an integer number (55550555056095).

Almost surely, 2^{111101110112189} is an apocalyptic number.

It is an amenable number.

111101110112189 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101110112189 is an equidigital number, since it uses as much as digits as its factorization.

111101110112189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 29.

The spelling of 111101110112189 in words is "one hundred eleven trillion, one hundred one billion, one hundred ten million, one hundred twelve thousand, one hundred eighty-nine".