1121120120112 has 40 divisors (see below), whose sum is σ = 2896295701104. Its totient is φ = 373697839104.

The previous prime is 1121120120111. The next prime is 1121120120129. The reversal of 1121120120112 is 2110210211211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1121120120091 and 1121120120100.

It is not an unprimeable number, because it can be changed into a prime (1121120120111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1951608 + ... + 2459880.

Almost surely, 2^{1121120120112} is an apocalyptic number.

1121120120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121120120112 is an abundant number, since it is smaller than the sum of its proper divisors (1775175580992).

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

1121120120112 is a wasteful number, since it uses less digits than its factorization.

1121120120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554237 (or 554231 counting only the distinct ones).

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

Adding to 1121120120112 its reverse (2110210211211), we get a palindrome (3231330331323).

The spelling of 1121120120112 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twenty thousand, one hundred twelve".