11112211111189 has 2 divisors, whose sum is σ = 11112211111190. Its totient is φ = 11112211111188.

The previous prime is 11112211111129. The next prime is 11112211111219. The reversal of 11112211111189 is 98111111221111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10912174076164 + 200037035025 = 3303358^2 + 447255^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112211111189 - 2¹⁵ = 11112211078421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112211111189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112211111129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556105555594 + 5556105555595.

It is an arithmetic number, because the mean of its divisors is an integer number (5556105555595).

Almost surely, 2^{11112211111189} is an apocalyptic number.

It is an amenable number.

11112211111189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112211111189 is an equidigital number, since it uses as much as digits as its factorization.

11112211111189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 31.

The spelling of 11112211111189 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, one hundred eleven thousand, one hundred eighty-nine".