211120101289 has 2 divisors, whose sum is σ = 211120101290. Its totient is φ = 211120101288.

The previous prime is 211120101167. The next prime is 211120101323. The reversal of 211120101289 is 982101021112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209871185689 + 1248915600 = 458117^2 + 35340^2 .

It is a cyclic number.

It is not a de Polignac number, because 211120101289 - 2¹³ = 211120093097 is a prime.

It is a super-3 number, since 3×211120101289³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (211120101989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560050644 + 105560050645.

It is an arithmetic number, because the mean of its divisors is an integer number (105560050645).

Almost surely, 2^211120101289 is an apocalyptic number.

It is an amenable number.

211120101289 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120101289 is an equidigital number, since it uses as much as digits as its factorization.

211120101289 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 28.

The spelling of 211120101289 in words is "two hundred eleven billion, one hundred twenty million, one hundred one thousand, two hundred eighty-nine".