1101112011 has 6 divisors (see below), whose sum is σ = 1590495140. Its totient is φ = 734074668.

The previous prime is 1101112003. The next prime is 1101112013. The reversal of 1101112011 is 1102111011.

It is not a de Polignac number, because 1101112011 - 2³ = 1101112003 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: 122345779 = 1101112011 / (1 + 1 + 0 + 1 + 1 + 1 + 2 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101111984 and 1101112002.

It is not an unprimeable number, because it can be changed into a prime (1101112013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61172881 + ... + 61172898.

Almost surely, 2^1101112011 is an apocalyptic number.

1101112011 is a deficient number, since it is larger than the sum of its proper divisors (489383129).

1101112011 is a wasteful number, since it uses less digits than its factorization.

1101112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122345785 (or 122345782 counting only the distinct ones).

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

The square root of 1101112011 is about 33183.0078654724. The cubic root of 1101112011 is about 1032.6278488645.

Adding to 1101112011 its reverse (1102111011), we get a palindrome (2203223022).

The spelling of 1101112011 in words is "one billion, one hundred one million, one hundred twelve thousand, eleven".