1113322121243 has 2 divisors, whose sum is σ = 1113322121244. Its totient is φ = 1113322121242.

The previous prime is 1113322121209. The next prime is 1113322121251. The reversal of 1113322121243 is 3421212233111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1113322121243 - 2¹⁴ = 1113322104859 is a prime.

It is a super-2 number, since 2×1113322121243² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1113322121273) 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, 556661060621 + 556661060622.

It is an arithmetic number, because the mean of its divisors is an integer number (556661060622).

Almost surely, 2^{1113322121243} is an apocalyptic number.

1113322121243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113322121243 is an equidigital number, since it uses as much as digits as its factorization.

1113322121243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

Adding to 1113322121243 its reverse (3421212233111), we get a palindrome (4534534354354).

The spelling of 1113322121243 in words is "one trillion, one hundred thirteen billion, three hundred twenty-two million, one hundred twenty-one thousand, two hundred forty-three".