110001221189 has 2 divisors, whose sum is σ = 110001221190. Its totient is φ = 110001221188.

The previous prime is 110001221137. The next prime is 110001221243. The reversal of 110001221189 is 981122100011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91940549089 + 18060672100 = 303217^2 + 134390^2 .

It is a cyclic number.

It is not a de Polignac number, because 110001221189 - 2⁸ = 110001220933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110001221129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000610594 + 55000610595.

It is an arithmetic number, because the mean of its divisors is an integer number (55000610595).

Almost surely, 2^110001221189 is an apocalyptic number.

It is an amenable number.

110001221189 is a deficient number, since it is larger than the sum of its proper divisors (1).

110001221189 is an equidigital number, since it uses as much as digits as its factorization.

110001221189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 110001221189 in words is "one hundred ten billion, one million, two hundred twenty-one thousand, one hundred eighty-nine".