11001112011 has 32 divisors (see below), whose sum is σ = 17181696000. Its totient is φ = 6946456320.

The previous prime is 11001112007. The next prime is 11001112019. The reversal of 11001112011 is 11021110011.

It is not a de Polignac number, because 11001112011 - 2² = 11001112007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11001111984 and 11001112002.

It is not an unprimeable number, because it can be changed into a prime (11001112019) 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, 100486 + ... + 179163.

It is an arithmetic number, because the mean of its divisors is an integer number (536928000).

Almost surely, 2^11001112011 is an apocalyptic number.

11001112011 is a deficient number, since it is larger than the sum of its proper divisors (6180583989).

11001112011 is a wasteful number, since it uses less digits than its factorization.

11001112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279736 (or 279730 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11001112011 its reverse (11021110011), we get a palindrome (22022222022).

It can be divided in two parts, 1100 and 1112011, that added together give a palindrome (1113111).

The spelling of 11001112011 in words is "eleven billion, one million, one hundred twelve thousand, eleven".