12211121000189 has 2 divisors, whose sum is σ = 12211121000190. Its totient is φ = 12211121000188.

The previous prime is 12211121000171. The next prime is 12211121000227. The reversal of 12211121000189 is 98100012111221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12210062604100 + 1058396089 = 3494290^2 + 32533^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211121000189 - 2⁸ = 12211120999933 is a prime.

It is a super-2 number, since 2×12211121000189² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211121000489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105560500094 + 6105560500095.

It is an arithmetic number, because the mean of its divisors is an integer number (6105560500095).

Almost surely, 2^{12211121000189} is an apocalyptic number.

It is an amenable number.

12211121000189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211121000189 is an equidigital number, since it uses as much as digits as its factorization.

12211121000189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 12211121000189 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, one hundred eighty-nine", and thus it is an aban number.