11120120011 has 16 divisors (see below), whose sum is σ = 14930512128. Its totient is φ = 7998487200.

The previous prime is 11120120009. The next prime is 11120120059. The reversal of 11120120011 is 11002102111.

It is not a de Polignac number, because 11120120011 - 2¹ = 11120120009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11120120011.

It is not an unprimeable number, because it can be changed into a prime (11120120071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5553505 + ... + 5555506.

It is an arithmetic number, because the mean of its divisors is an integer number (933157008).

Almost surely, 2^11120120011 is an apocalyptic number.

11120120011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11120120011 is a deficient number, since it is larger than the sum of its proper divisors (3810392117).

11120120011 is a wasteful number, since it uses less digits than its factorization.

11120120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11109042.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11120120011 its reverse (11002102111), we get a palindrome (22122222122).

It can be divided in two parts, 11120 and 120011, that added together give a palindrome (131131).

The spelling of 11120120011 in words is "eleven billion, one hundred twenty million, one hundred twenty thousand, eleven".