2236121089 has 2 divisors, whose sum is σ = 2236121090. Its totient is φ = 2236121088.

The previous prime is 2236121057. The next prime is 2236121093. The reversal of 2236121089 is 9801216322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2076351489 + 159769600 = 45567^2 + 12640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2236121089 - 2⁵ = 2236121057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2236121689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118060544 + 1118060545.

It is an arithmetic number, because the mean of its divisors is an integer number (1118060545).

Almost surely, 2^2236121089 is an apocalyptic number.

It is an amenable number.

2236121089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2236121089 is an equidigital number, since it uses as much as digits as its factorization.

2236121089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2236121089 is about 47287.6420325649. The cubic root of 2236121089 is about 1307.6708391944.

The spelling of 2236121089 in words is "two billion, two hundred thirty-six million, one hundred twenty-one thousand, eighty-nine".