1121111120112 has 40 divisors (see below), whose sum is σ = 3022125631104. Its totient is φ = 357455719104.

The previous prime is 1121111120093. The next prime is 1121111120123. The reversal of 1121111120112 is 2110211111211.

It is a junction number, because it is equal to n+sod(n) for n = 1121111120091 and 1121111120100.

It is a congruent number.

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, 507748498 + ... + 507750705.

Almost surely, 2^{1121111120112} is an apocalyptic number.

1121111120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121111120112 is an abundant number, since it is smaller than the sum of its proper divisors (1901014510992).

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

1121111120112 is a wasteful number, since it uses less digits than its factorization.

1121111120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015499237 (or 1015499231 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1121111120112 its reverse (2110211111211), we get a palindrome (3231322231323).

The spelling of 1121111120112 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, one hundred twenty thousand, one hundred twelve".