1123232211 has 32 divisors (see below), whose sum is σ = 1779451200. Its totient is φ = 697766400.

The previous prime is 1123232203. The next prime is 1123232213. The reversal of 1123232211 is 1122323211.

It is not a de Polignac number, because 1123232211 - 2³ = 1123232203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123232213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34245 + ... + 58473.

It is an arithmetic number, because the mean of its divisors is an integer number (55607850).

Almost surely, 2^1123232211 is an apocalyptic number.

1123232211 is a deficient number, since it is larger than the sum of its proper divisors (656218989).

1123232211 is a wasteful number, since it uses less digits than its factorization.

1123232211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24356 (or 24350 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1123232211 is about 33514.6566594378. The cubic root of 1123232211 is about 1039.4968630761.

Adding to 1123232211 its reverse (1122323211), we get a palindrome (2245555422).

It can be divided in two parts, 112 and 3232211, that added together give a palindrome (3232323).

The spelling of 1123232211 in words is "one billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred eleven".