11123011033 has 4 divisors (see below), whose sum is σ = 11123228340. Its totient is φ = 11122793728.

The previous prime is 11123011021. The next prime is 11123011037. The reversal of 11123011033 is 33011032111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33011032111 = 3049 ⋅10826839.

It can be written as a sum of positive squares in 2 ways, for example, as 4205263104 + 6917747929 = 64848^2 + 83173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123011033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11123010998 and 11123011016.

It is not an unprimeable number, because it can be changed into a prime (11123011037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15141 + ... + 149917.

It is an arithmetic number, because the mean of its divisors is an integer number (2780807085).

Almost surely, 2^11123011033 is an apocalyptic number.

It is an amenable number.

11123011033 is a deficient number, since it is larger than the sum of its proper divisors (217307).

11123011033 is an equidigital number, since it uses as much as digits as its factorization.

11123011033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217306.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11123011033 its reverse (33011032111), we get a palindrome (44134043144).

The spelling of 11123011033 in words is "eleven billion, one hundred twenty-three million, eleven thousand, thirty-three".