1122113231989 has 2 divisors, whose sum is σ = 1122113231990. Its totient is φ = 1122113231988.

The previous prime is 1122113231959. The next prime is 1122113232011. The reversal of 1122113231989 is 9891323112211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 716025669489 + 406087562500 = 846183^2 + 637250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122113231989 - 2¹⁹ = 1122112707701 is a prime.

It is a super-2 number, since 2×1122113231989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122113231959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561056615994 + 561056615995.

It is an arithmetic number, because the mean of its divisors is an integer number (561056615995).

Almost surely, 2^{1122113231989} is an apocalyptic number.

It is an amenable number.

1122113231989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122113231989 is an equidigital number, since it uses as much as digits as its factorization.

1122113231989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 43.

The spelling of 1122113231989 in words is "one trillion, one hundred twenty-two billion, one hundred thirteen million, two hundred thirty-one thousand, nine hundred eighty-nine".