111120122089 has 2 divisors, whose sum is σ = 111120122090. Its totient is φ = 111120122088.

The previous prime is 111120122053. The next prime is 111120122147. The reversal of 111120122089 is 980221021111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110343552400 + 776569689 = 332180^2 + 27867^2 .

It is an emirp because it is prime and its reverse (980221021111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111120122089 - 2²¹ = 111118024937 is a prime.

It is not a weakly prime, because it can be changed into another prime (111120122189) 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, 55560061044 + 55560061045.

It is an arithmetic number, because the mean of its divisors is an integer number (55560061045).

Almost surely, 2^111120122089 is an apocalyptic number.

It is an amenable number.

111120122089 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120122089 is an equidigital number, since it uses as much as digits as its factorization.

111120122089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 111120122089 in words is "one hundred eleven billion, one hundred twenty million, one hundred twenty-two thousand, eighty-nine".