1121233211023 has 2 divisors, whose sum is σ = 1121233211024. Its totient is φ = 1121233211022.

The previous prime is 1121233211009. The next prime is 1121233211123. The reversal of 1121233211023 is 3201123321211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121233211023 - 2¹⁷ = 1121233079951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121233210985 and 1121233211003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121233211123) 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, 560616605511 + 560616605512.

It is an arithmetic number, because the mean of its divisors is an integer number (560616605512).

Almost surely, 2^{1121233211023} is an apocalyptic number.

1121233211023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121233211023 is an equidigital number, since it uses as much as digits as its factorization.

1121233211023 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 22.

Adding to 1121233211023 its reverse (3201123321211), we get a palindrome (4322356532234).

The spelling of 1121233211023 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-three million, two hundred eleven thousand, twenty-three".