1111312301112 has 80 divisors (see below), whose sum is σ = 3352142187240. Its totient is φ = 341942243904.

The previous prime is 1111312301111. The next prime is 1111312301137. The reversal of 1111312301112 is 2111032131111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111312301111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65952658 + ... + 65969505.

Almost surely, 2^{1111312301112} is an apocalyptic number.

1111312301112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111312301112 is an abundant number, since it is smaller than the sum of its proper divisors (2240829886128).

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

1111312301112 is a wasteful number, since it uses less digits than its factorization.

1111312301112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131922194 (or 131922181 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1111312301112 its reverse (2111032131111), we get a palindrome (3222344432223).

The spelling of 1111312301112 in words is "one trillion, one hundred eleven billion, three hundred twelve million, three hundred one thousand, one hundred twelve".