1123211011343 has 2 divisors, whose sum is σ = 1123211011344. Its totient is φ = 1123211011342.

The previous prime is 1123211011333. The next prime is 1123211011367. The reversal of 1123211011343 is 3431101123211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123211011343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123211011333) 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, 561605505671 + 561605505672.

It is an arithmetic number, because the mean of its divisors is an integer number (561605505672).

Almost surely, 2^{1123211011343} is an apocalyptic number.

1123211011343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123211011343 is an equidigital number, since it uses as much as digits as its factorization.

1123211011343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1123211011343 its reverse (3431101123211), we get a palindrome (4554312134554).

The spelling of 1123211011343 in words is "one trillion, one hundred twenty-three billion, two hundred eleven million, eleven thousand, three hundred forty-three".