11211130233 has 24 divisors (see below), whose sum is σ = 17245587528. Its totient is φ = 6993756672.

The previous prime is 11211130219. The next prime is 11211130243. The reversal of 11211130233 is 33203111211.

11211130233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8449837929 + 2761292304 = 91923^2 + 52548^2 .

It is not a de Polignac number, because 11211130233 - 2¹² = 11211126137 is a prime.

It is a super-2 number, since 2×11211130233² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11211130243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185310 + ... + 238247.

It is an arithmetic number, because the mean of its divisors is an integer number (718566147).

Almost surely, 2^11211130233 is an apocalyptic number.

It is an amenable number.

11211130233 is a deficient number, since it is larger than the sum of its proper divisors (6034457295).

11211130233 is a wasteful number, since it uses less digits than its factorization.

11211130233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423753 (or 423750 counting only the distinct ones).

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

Adding to 11211130233 its reverse (33203111211), we get a palindrome (44414241444).

The spelling of 11211130233 in words is "eleven billion, two hundred eleven million, one hundred thirty thousand, two hundred thirty-three".