11011112120 has 32 divisors (see below), whose sum is σ = 24839723520. Its totient is φ = 4392938880.

The previous prime is 11011112117. The next prime is 11011112141. The reversal of 11011112120 is 2121111011.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 344051 + ... + 374690.

It is an arithmetic number, because the mean of its divisors is an integer number (776241360).

Almost surely, 2^11011112120 is an apocalyptic number.

11011112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011112120 is an abundant number, since it is smaller than the sum of its proper divisors (13828611400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11011112120 is a wasteful number, since it uses less digits than its factorization.

11011112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719135 (or 719131 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11011112120 its reverse (2121111011), we get a palindrome (13132223131).

The spelling of 11011112120 in words is "eleven billion, eleven million, one hundred twelve thousand, one hundred twenty".