11211000020189 has 2 divisors, whose sum is σ = 11211000020190. Its totient is φ = 11211000020188.

The previous prime is 11211000020183. The next prime is 11211000020221. The reversal of 11211000020189 is 98102000011211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6935480260900 + 4275519759289 = 2633530^2 + 2067733^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211000020189 - 2³⁶ = 11142280543453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211000020183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605500010094 + 5605500010095.

It is an arithmetic number, because the mean of its divisors is an integer number (5605500010095).

Almost surely, 2^{11211000020189} is an apocalyptic number.

It is an amenable number.

11211000020189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211000020189 is an equidigital number, since it uses as much as digits as its factorization.

11211000020189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 11211000020189 in words is "eleven trillion, two hundred eleven billion, twenty thousand, one hundred eighty-nine".