211011001121189 has 2 divisors, whose sum is σ = 211011001121190. Its totient is φ = 211011001121188.

The previous prime is 211011001121083. The next prime is 211011001121197. The reversal of 211011001121189 is 981121100110112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209423443960900 + 1587557160289 = 14471470^2 + 1259983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211011001121189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211011001121689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505500560594 + 105505500560595.

It is an arithmetic number, because the mean of its divisors is an integer number (105505500560595).

Almost surely, 2^{211011001121189} is an apocalyptic number.

It is an amenable number.

211011001121189 is a deficient number, since it is larger than the sum of its proper divisors (1).

211011001121189 is an equidigital number, since it uses as much as digits as its factorization.

211011001121189 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 29.

The spelling of 211011001121189 in words is "two hundred eleven trillion, eleven billion, one million, one hundred twenty-one thousand, one hundred eighty-nine".