11212220111089 has 2 divisors, whose sum is σ = 11212220111090. Its totient is φ = 11212220111088.

The previous prime is 11212220111063. The next prime is 11212220111119. The reversal of 11212220111089 is 98011102221211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10857242471089 + 354977640000 = 3295033^2 + 595800^2 .

It is an emirp because it is prime and its reverse (98011102221211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11212220111089 - 2¹⁹ = 11212219586801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11212220111089.

It is not a weakly prime, because it can be changed into another prime (11212220111009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606110055544 + 5606110055545.

It is an arithmetic number, because the mean of its divisors is an integer number (5606110055545).

Almost surely, 2^{11212220111089} is an apocalyptic number.

It is an amenable number.

11212220111089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212220111089 is an equidigital number, since it uses as much as digits as its factorization.

11212220111089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 11212220111089 in words is "eleven trillion, two hundred twelve billion, two hundred twenty million, one hundred eleven thousand, eighty-nine".