1121434040112 has 80 divisors (see below), whose sum is σ = 3072553605888. Its totient is φ = 351697040640.

The previous prime is 1121434040017. The next prime is 1121434040117. The reversal of 1121434040112 is 2110404341211.

It is a happy number.

It is a super-2 number, since 2×1121434040112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1121434040117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8258818 + ... + 8393505.

Almost surely, 2^{1121434040112} is an apocalyptic number.

1121434040112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121434040112 is an abundant number, since it is smaller than the sum of its proper divisors (1951119565776).

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

1121434040112 is a wasteful number, since it uses less digits than its factorization.

1121434040112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16652418 (or 16652412 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1121434040112 its reverse (2110404341211), we get a palindrome (3231838381323).

The spelling of 1121434040112 in words is "one trillion, one hundred twenty-one billion, four hundred thirty-four million, forty thousand, one hundred twelve".