111200220289 has 2 divisors, whose sum is σ = 111200220290. Its totient is φ = 111200220288.

The previous prime is 111200220199. The next prime is 111200220319. The reversal of 111200220289 is 982022002111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92236727025 + 18963493264 = 303705^2 + 137708^2 .

It is a cyclic number.

It is not a de Polignac number, because 111200220289 - 2⁹ = 111200219777 is a prime.

It is not a weakly prime, because it can be changed into another prime (111200220889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600110144 + 55600110145.

It is an arithmetic number, because the mean of its divisors is an integer number (55600110145).

Almost surely, 2^111200220289 is an apocalyptic number.

It is an amenable number.

111200220289 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200220289 is an equidigital number, since it uses as much as digits as its factorization.

111200220289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 111200220289 in words is "one hundred eleven billion, two hundred million, two hundred twenty thousand, two hundred eighty-nine".