1121123130112 has 18 divisors (see below), whose sum is σ = 2237866873508. Its totient is φ = 560561564928.

The previous prime is 1121123130097. The next prime is 1121123130163. The reversal of 1121123130112 is 2110313211211.

It is a super-2 number, since 2×1121123130112² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121123130112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2189693358 + ... + 2189693869.

Almost surely, 2^{1121123130112} is an apocalyptic number.

It is an amenable number.

1121123130112 is a deficient number, since it is larger than the sum of its proper divisors (1116743743396).

1121123130112 is an frugal number, since it uses more digits than its factorization.

1121123130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379387243 (or 4379387229 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1121123130112 its reverse (2110313211211), we get a palindrome (3231436341323).

The spelling of 1121123130112 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, one hundred thirty thousand, one hundred twelve".