1121312210089 has 2 divisors, whose sum is σ = 1121312210090. Its totient is φ = 1121312210088.

The previous prime is 1121312210017. The next prime is 1121312210099. The reversal of 1121312210089 is 9800122131211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765070350489 + 356241859600 = 874683^2 + 596860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121312210089 - 2¹¹ = 1121312208041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121312210089.

It is not a weakly prime, because it can be changed into another prime (1121312210099) 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, 560656105044 + 560656105045.

It is an arithmetic number, because the mean of its divisors is an integer number (560656105045).

Almost surely, 2^{1121312210089} is an apocalyptic number.

It is an amenable number.

1121312210089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121312210089 is an equidigital number, since it uses as much as digits as its factorization.

1121312210089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 1121312210089 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, two hundred ten thousand, eighty-nine".