111110210122189 has 2 divisors, whose sum is σ = 111110210122190. Its totient is φ = 111110210122188.

The previous prime is 111110210122159. The next prime is 111110210122217. The reversal of 111110210122189 is 981221012011111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106838890964100 + 4271319158089 = 10336290^2 + 2066717^2 .

It is a cyclic number.

It is not a de Polignac number, because 111110210122189 - 2⁷ = 111110210122061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111110210122189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111110210122129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555105061094 + 55555105061095.

It is an arithmetic number, because the mean of its divisors is an integer number (55555105061095).

Almost surely, 2^{111110210122189} is an apocalyptic number.

It is an amenable number.

111110210122189 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110210122189 is an equidigital number, since it uses as much as digits as its factorization.

111110210122189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 31.

The spelling of 111110210122189 in words is "one hundred eleven trillion, one hundred ten billion, two hundred ten million, one hundred twenty-two thousand, one hundred eighty-nine".