11100112011 has 6 divisors (see below), whose sum is σ = 16033495140. Its totient is φ = 7400074668.

The previous prime is 11100111983. The next prime is 11100112027. The reversal of 11100112011 is 11021100111.

It is not a de Polignac number, because 11100112011 - 2¹⁴ = 11100095627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1233345779 = 11100112011 / (1 + 1 + 1 + 0 + 0 + 1 + 1 + 2 + 0 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 11100111984 and 11100112002.

It is not an unprimeable number, because it can be changed into a prime (11100112091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616672881 + ... + 616672898.

It is an arithmetic number, because the mean of its divisors is an integer number (2672249190).

Almost surely, 2^11100112011 is an apocalyptic number.

11100112011 is a deficient number, since it is larger than the sum of its proper divisors (4933383129).

11100112011 is a wasteful number, since it uses less digits than its factorization.

11100112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233345785 (or 1233345782 counting only the distinct ones).

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

Adding to 11100112011 its reverse (11021100111), we get a palindrome (22121212122).

The spelling of 11100112011 in words is "eleven billion, one hundred million, one hundred twelve thousand, eleven".