11011213233 has 24 divisors (see below), whose sum is σ = 16096565160. Its totient is φ = 7252565760.

The previous prime is 11011213231. The next prime is 11011213243. The reversal of 11011213233 is 33231211011.

It can be written as a sum of positive squares in 4 ways, for example, as 4283440704 + 6727772529 = 65448^2 + 82023^2 .

It is not a de Polignac number, because 11011213233 - 2¹ = 11011213231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011213231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1159123 + ... + 1168583.

It is an arithmetic number, because the mean of its divisors is an integer number (670690215).

Almost surely, 2^11011213233 is an apocalyptic number.

It is an amenable number.

11011213233 is a deficient number, since it is larger than the sum of its proper divisors (5085351927).

11011213233 is a wasteful number, since it uses less digits than its factorization.

11011213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11009 (or 11006 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11011213233 its reverse (33231211011), we get a palindrome (44242424244).

The spelling of 11011213233 in words is "eleven billion, eleven million, two hundred thirteen thousand, two hundred thirty-three".