1121100113112 has 64 divisors (see below), whose sum is σ = 3271295185920. Its totient is φ = 313499117568.

The previous prime is 1121100113101. The next prime is 1121100113113. The reversal of 1121100113112 is 2113110011211.

It is a junction number, because it is equal to n+sod(n) for n = 1121100113091 and 1121100113100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121100113113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70983753 + ... + 70999544.

It is an arithmetic number, because the mean of its divisors is an integer number (51113987280).

Almost surely, 2^{1121100113112} is an apocalyptic number.

1121100113112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121100113112 is an abundant number, since it is smaller than the sum of its proper divisors (2150195072808).

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

1121100113112 is a wasteful number, since it uses less digits than its factorization.

1121100113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141983360 (or 141983356 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1121100113112 its reverse (2113110011211), we get a palindrome (3234210124323).

The spelling of 1121100113112 in words is "one trillion, one hundred twenty-one billion, one hundred million, one hundred thirteen thousand, one hundred twelve".