111120112010189 has 2 divisors, whose sum is σ = 111120112010190. Its totient is φ = 111120112010188.

The previous prime is 111120112010161. The next prime is 111120112010287. The reversal of 111120112010189 is 981010211021111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94624061700100 + 16496050310089 = 9727490^2 + 4061533^2 .

It is an emirp because it is prime and its reverse (981010211021111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111120112010189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111120112010489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560056005094 + 55560056005095.

It is an arithmetic number, because the mean of its divisors is an integer number (55560056005095).

Almost surely, 2^{111120112010189} is an apocalyptic number.

It is an amenable number.

111120112010189 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120112010189 is an equidigital number, since it uses as much as digits as its factorization.

111120112010189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 29.

The spelling of 111120112010189 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twelve million, ten thousand, one hundred eighty-nine".