1112200121112 has 64 divisors (see below), whose sum is σ = 2944359421920. Its totient is φ = 348889939968.

The previous prime is 1112200121099. The next prime is 1112200121117. The reversal of 1112200121112 is 2111210022111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1112200121091 and 1112200121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112200121117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4018288 + ... + 4286144.

Almost surely, 2^{1112200121112} is an apocalyptic number.

1112200121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112200121112 is an abundant number, since it is smaller than the sum of its proper divisors (1832159300808).

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

1112200121112 is a wasteful number, since it uses less digits than its factorization.

1112200121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278060 (or 278056 counting only the distinct ones).

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

Adding to 1112200121112 its reverse (2111210022111), we get a palindrome (3223410143223).

Subtracting 1112200121112 from its reverse (2111210022111), we obtain a palindrome (999009900999).

The spelling of 1112200121112 in words is "one trillion, one hundred twelve billion, two hundred million, one hundred twenty-one thousand, one hundred twelve".