1132122311 has 4 divisors (see below), whose sum is σ = 1132888224. Its totient is φ = 1131356400.

The previous prime is 1132122289. The next prime is 1132122317. The reversal of 1132122311 is 1132212311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1132212311 = 331 ⋅3420581.

It is a cyclic number.

It is not a de Polignac number, because 1132122311 - 2¹⁴ = 1132105927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1132122311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132122317) 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, 380735 + ... + 383696.

It is an arithmetic number, because the mean of its divisors is an integer number (283222056).

Almost surely, 2^1132122311 is an apocalyptic number.

1132122311 is a deficient number, since it is larger than the sum of its proper divisors (765913).

1132122311 is an equidigital number, since it uses as much as digits as its factorization.

1132122311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765912.

The product of its digits is 72, while the sum is 17.

The square root of 1132122311 is about 33647.0252919928. The cubic root of 1132122311 is about 1042.2321113895.

Adding to 1132122311 its reverse (1132212311), we get a palindrome (2264334622).

Subtracting 1132122311 from its reverse (1132212311), we obtain a square (90000 = 300²).

The spelling of 1132122311 in words is "one billion, one hundred thirty-two million, one hundred twenty-two thousand, three hundred eleven".