11121001220089 has 2 divisors, whose sum is σ = 11121001220090. Its totient is φ = 11121001220088.

The previous prime is 11121001220051. The next prime is 11121001220143. The reversal of 11121001220089 is 98002210012111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8992051755625 + 2128949464464 = 2998675^2 + 1459092^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121001220089 - 2²⁷ = 11120867002361 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121001220489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560500610044 + 5560500610045.

It is an arithmetic number, because the mean of its divisors is an integer number (5560500610045).

Almost surely, 2^{11121001220089} is an apocalyptic number.

It is an amenable number.

11121001220089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121001220089 is an equidigital number, since it uses as much as digits as its factorization.

11121001220089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 11121001220089 in words is "eleven trillion, one hundred twenty-one billion, one million, two hundred twenty thousand, eighty-nine".