1122312211 has 8 divisors (see below), whose sum is σ = 1126137600. Its totient is φ = 1118494152.

The previous prime is 1122312203. The next prime is 1122312223. The reversal of 1122312211 is 1122132211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122312211 - 2³ = 1122312203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122312281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533640 + ... + 535738.

It is an arithmetic number, because the mean of its divisors is an integer number (140767200).

Almost surely, 2^1122312211 is an apocalyptic number.

1122312211 is a deficient number, since it is larger than the sum of its proper divisors (3825389).

1122312211 is a wasteful number, since it uses less digits than its factorization.

1122312211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665.

The product of its digits is 48, while the sum is 16.

The square root of 1122312211 is about 33500.9285095204. The cubic root of 1122312211 is about 1039.2129804488.

Adding to 1122312211 its reverse (1122132211), we get a palindrome (2244444422).

The spelling of 1122312211 in words is "one billion, one hundred twenty-two million, three hundred twelve thousand, two hundred eleven".