1101111011120 has 40 divisors (see below), whose sum is σ = 2560996959216. Its totient is φ = 440287181568.

The previous prime is 1101111011083. The next prime is 1101111011141. The reversal of 1101111011120 is 211101111011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2230967 + ... + 2679446.

Almost surely, 2^{1101111011120} is an apocalyptic number.

1101111011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101111011120 is an abundant number, since it is smaller than the sum of its proper divisors (1459885948096).

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

1101111011120 is a wasteful number, since it uses less digits than its factorization.

1101111011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913229 (or 4913223 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1101111011120 its reverse (211101111011), we get a palindrome (1312212122131).

The spelling of 1101111011120 in words is "one trillion, one hundred one billion, one hundred eleven million, eleven thousand, one hundred twenty".