11201211289 has 2 divisors, whose sum is σ = 11201211290. Its totient is φ = 11201211288.

The previous prime is 11201211283. The next prime is 11201211313. The reversal of 11201211289 is 98211210211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10031024025 + 1170187264 = 100155^2 + 34208^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201211289 - 2²¹ = 11199114137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11201211283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600605644 + 5600605645.

It is an arithmetic number, because the mean of its divisors is an integer number (5600605645).

Almost surely, 2^11201211289 is an apocalyptic number.

It is an amenable number.

11201211289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201211289 is an equidigital number, since it uses as much as digits as its factorization.

11201211289 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 11201211289 in words is "eleven billion, two hundred one million, two hundred eleven thousand, two hundred eighty-nine".