1123332011 has 4 divisors (see below), whose sum is σ = 1123401000. Its totient is φ = 1123263024.

The previous prime is 1123331977. The next prime is 1123332031. The reversal of 1123332011 is 1102333211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1102333211 = 7 ⋅157476173.

It is a cyclic number.

It is not a de Polignac number, because 1123332011 - 2⁶ = 1123331947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123332031) 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, 5015 + ... + 47663.

It is an arithmetic number, because the mean of its divisors is an integer number (280850250).

Almost surely, 2^1123332011 is an apocalyptic number.

1123332011 is a deficient number, since it is larger than the sum of its proper divisors (68989).

1123332011 is an equidigital number, since it uses as much as digits as its factorization.

1123332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68988.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1123332011 is about 33516.1455271933. The cubic root of 1123332011 is about 1039.5276488488.

Adding to 1123332011 its reverse (1102333211), we get a palindrome (2225665222).

The spelling of 1123332011 in words is "one billion, one hundred twenty-three million, three hundred thirty-two thousand, eleven".