1100113031232 has 336 divisors, whose sum is σ = 3305338982400. Its totient is φ = 349532651520.

The previous prime is 1100113031203. The next prime is 1100113031239. The reversal of 1100113031232 is 2321303110011.

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

It is not an unprimeable number, because it can be changed into a prime (1100113031239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180966369 + ... + 180972447.

It is an arithmetic number, because the mean of its divisors is an integer number (9837318400).

Almost surely, 2^{1100113031232} is an apocalyptic number.

1100113031232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100113031232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1652669491200).

1100113031232 is an abundant number, since it is smaller than the sum of its proper divisors (2205225951168).

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

1100113031232 is a wasteful number, since it uses less digits than its factorization.

1100113031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6314 (or 6301 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1100113031232 its reverse (2321303110011), we get a palindrome (3421416141243).

The spelling of 1100113031232 in words is "one trillion, one hundred billion, one hundred thirteen million, thirty-one thousand, two hundred thirty-two".