1112211009989 has 2 divisors, whose sum is σ = 1112211009990. Its totient is φ = 1112211009988.

The previous prime is 1112211009967. The next prime is 1112211010007. The reversal of 1112211009989 is 9899001122111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1014965577025 + 97245432964 = 1007455^2 + 311842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112211009989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112211005989) 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, 556105504994 + 556105504995.

It is an arithmetic number, because the mean of its divisors is an integer number (556105504995).

Almost surely, 2^{1112211009989} is an apocalyptic number.

It is an amenable number.

1112211009989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112211009989 is an equidigital number, since it uses as much as digits as its factorization.

1112211009989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 44.

The spelling of 1112211009989 in words is "one trillion, one hundred twelve billion, two hundred eleven million, nine thousand, nine hundred eighty-nine".