110020121221189 has 2 divisors, whose sum is σ = 110020121221190. Its totient is φ = 110020121221188.

The previous prime is 110020121221133. The next prime is 110020121221247. The reversal of 110020121221189 is 981122121020011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100218319028100 + 9801802193089 = 10010910^2 + 3130783^2 .

It is an emirp because it is prime and its reverse (981122121020011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110020121221189 - 2⁹ = 110020121220677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110020121221189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110020121221289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010060610594 + 55010060610595.

It is an arithmetic number, because the mean of its divisors is an integer number (55010060610595).

Almost surely, 2^{110020121221189} is an apocalyptic number.

It is an amenable number.

110020121221189 is a deficient number, since it is larger than the sum of its proper divisors (1).

110020121221189 is an equidigital number, since it uses as much as digits as its factorization.

110020121221189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 110020121221189 in words is "one hundred ten trillion, twenty billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred eighty-nine".