11001201020989 has 2 divisors, whose sum is σ = 11001201020990. Its totient is φ = 11001201020988.

The previous prime is 11001201020867. The next prime is 11001201021011. The reversal of 11001201020989 is 98902010210011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10925946815364 + 75254205625 = 3305442^2 + 274325^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001201020989 - 2⁷ = 11001201020861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001201027989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500600510494 + 5500600510495.

It is an arithmetic number, because the mean of its divisors is an integer number (5500600510495).

Almost surely, 2^{11001201020989} is an apocalyptic number.

It is an amenable number.

11001201020989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001201020989 is an equidigital number, since it uses as much as digits as its factorization.

11001201020989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 34.

The spelling of 11001201020989 in words is "eleven trillion, one billion, two hundred one million, twenty thousand, nine hundred eighty-nine".