1122312311 has 16 divisors (see below), whose sum is σ = 1217583360. Its totient is φ = 1030979520.

The previous prime is 1122312299. The next prime is 1122312361. The reversal of 1122312311 is 1132132211.

It is not a de Polignac number, because 1122312311 - 2¹⁴ = 1122295927 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 1122312311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122312361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125780 + ... + 134406.

It is an arithmetic number, because the mean of its divisors is an integer number (76098960).

Almost surely, 2^1122312311 is an apocalyptic number.

1122312311 is a deficient number, since it is larger than the sum of its proper divisors (95271049).

1122312311 is a wasteful number, since it uses less digits than its factorization.

1122312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8854.

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

The square root of 1122312311 is about 33500.9300020164. The cubic root of 1122312311 is about 1039.2130113140.

Adding to 1122312311 its reverse (1132132211), we get a palindrome (2254444522).

The spelling of 1122312311 in words is "one billion, one hundred twenty-two million, three hundred twelve thousand, three hundred eleven".