1111011120 has 80 divisors (see below), whose sum is σ = 3826823520. Its totient is φ = 296269056.

The previous prime is 1111011101. The next prime is 1111011179. The reversal of 1111011120 is 211101111.

It is a tau number, because it is divible by the number of its divisors (80).

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

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 15 ways as a sum of consecutive naturals, for example, 255019 + ... + 259338.

It is an arithmetic number, because the mean of its divisors is an integer number (47835294).

Almost surely, 2^1111011120 is an apocalyptic number.

1111011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111011120 is an abundant number, since it is smaller than the sum of its proper divisors (2715812400).

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

1111011120 is a wasteful number, since it uses less digits than its factorization.

1111011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514379 (or 514367 counting only the distinct ones).

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

The square root of 1111011120 is about 33331.8334329211. The cubic root of 1111011120 is about 1035.7130981562.

Adding to 1111011120 its reverse (211101111), we get a palindrome (1322112231).

The spelling of 1111011120 in words is "one billion, one hundred eleven million, eleven thousand, one hundred twenty".