1121000220112 has 20 divisors (see below), whose sum is σ = 2172551751360. Its totient is φ = 560341703648.

The previous prime is 1121000220079. The next prime is 1121000220133. The reversal of 1121000220112 is 2110220001211.

It is a junction number, because it is equal to n+sod(n) for n = 1121000220092 and 1121000220101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9842008 + ... + 9955255.

It is an arithmetic number, because the mean of its divisors is an integer number (108627587568).

Almost surely, 2^{1121000220112} is an apocalyptic number.

It is an amenable number.

1121000220112 is a deficient number, since it is larger than the sum of its proper divisors (1051551531248).

1121000220112 is a wasteful number, since it uses less digits than its factorization.

1121000220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19800810 (or 19800804 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1121000220112 its reverse (2110220001211), we get a palindrome (3231220221323).

The spelling of 1121000220112 in words is "one trillion, one hundred twenty-one billion, two hundred twenty thousand, one hundred twelve".