1121200022112 has 96 divisors (see below), whose sum is σ = 3044955110400. Its totient is φ = 360808401408.

The previous prime is 1121200022011. The next prime is 1121200022153. The reversal of 1121200022112 is 2112200021211.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 1121200022091 and 1121200022100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41409603 + ... + 41436669.

It is an arithmetic number, because the mean of its divisors is an integer number (31718282400).

Almost surely, 2^{1121200022112} is an apocalyptic number.

1121200022112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121200022112 is an abundant number, since it is smaller than the sum of its proper divisors (1923755088288).

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

1121200022112 is a wasteful number, since it uses less digits than its factorization.

1121200022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41988 (or 41980 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1121200022112 its reverse (2112200021211), we get a palindrome (3233400043323).

Subtracting 1121200022112 from its reverse (2112200021211), we obtain a palindrome (990999999099).

The spelling of 1121200022112 in words is "one trillion, one hundred twenty-one billion, two hundred million, twenty-two thousand, one hundred twelve".