1123211110843 has 2 divisors, whose sum is σ = 1123211110844. Its totient is φ = 1123211110842.

The previous prime is 1123211110817. The next prime is 1123211110873. The reversal of 1123211110843 is 3480111123211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123211110843 - 2⁵ = 1123211110811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123211110873) 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, 561605555421 + 561605555422.

It is an arithmetic number, because the mean of its divisors is an integer number (561605555422).

Almost surely, 2^{1123211110843} is an apocalyptic number.

1123211110843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123211110843 is an equidigital number, since it uses as much as digits as its factorization.

1123211110843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 1123211110843 in words is "one trillion, one hundred twenty-three billion, two hundred eleven million, one hundred ten thousand, eight hundred forty-three".