1121112002112 has 56 divisors (see below), whose sum is σ = 3122395279200. Its totient is φ = 354035367936.

The previous prime is 1121112002111. The next prime is 1121112002147. The reversal of 1121112002112 is 2112002111211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1121112002091 and 1121112002100.

It is not an unprimeable number, because it can be changed into a prime (1121112002111) by changing a digit.

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, 153657537 + ... + 153664832.

Almost surely, 2^{1121112002112} is an apocalyptic number.

1121112002112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121112002112 is an abundant number, since it is smaller than the sum of its proper divisors (2001283277088).

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

1121112002112 is a wasteful number, since it uses less digits than its factorization.

1121112002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307322403 (or 307322393 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1121112002112 its reverse (2112002111211), we get a palindrome (3233114113323).

The spelling of 1121112002112 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, two thousand, one hundred twelve".