11232112011 has 4 divisors (see below), whose sum is σ = 14976149352. Its totient is φ = 7488074672.

The previous prime is 11232111977. The next prime is 11232112039. The reversal of 11232112011 is 11021123211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11232112011 - 2²³ = 11223723403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11232112051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872018666 + ... + 1872018671.

It is an arithmetic number, because the mean of its divisors is an integer number (3744037338).

Almost surely, 2^11232112011 is an apocalyptic number.

11232112011 is a deficient number, since it is larger than the sum of its proper divisors (3744037341).

11232112011 is an equidigital number, since it uses as much as digits as its factorization.

11232112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744037340.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11232112011 its reverse (11021123211), we get a palindrome (22253235222).

The spelling of 11232112011 in words is "eleven billion, two hundred thirty-two million, one hundred twelve thousand, eleven".