11123242133 has 2 divisors, whose sum is σ = 11123242134. Its totient is φ = 11123242132.

The previous prime is 11123242127. The next prime is 11123242139. The reversal of 11123242133 is 33124232111.

It is a balanced prime because it is at equal distance from previous prime (11123242127) and next prime (11123242139).

It can be written as a sum of positive squares in only one way, i.e., 9621059569 + 1502182564 = 98087^2 + 38758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123242133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11123242099 and 11123242108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123242139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561621066 + 5561621067.

It is an arithmetic number, because the mean of its divisors is an integer number (5561621067).

Almost surely, 2^11123242133 is an apocalyptic number.

It is an amenable number.

11123242133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123242133 is an equidigital number, since it uses as much as digits as its factorization.

11123242133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

Adding to 11123242133 its reverse (33124232111), we get a palindrome (44247474244).

The spelling of 11123242133 in words is "eleven billion, one hundred twenty-three million, two hundred forty-two thousand, one hundred thirty-three".