1100113301100 has 144 divisors (see below), whose sum is σ = 3477102451200. Its totient is φ = 266329708800.

The previous prime is 1100113301033. The next prime is 1100113301113. The reversal of 1100113301100 is 11033110011.

It is a super-2 number, since 2×1100113301100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2191501 + ... + 2646299.

It is an arithmetic number, because the mean of its divisors is an integer number (24146544800).

Almost surely, 2^{1100113301100} is an apocalyptic number.

1100113301100 is a gapful number since it is divisible by the number (10) 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 1100113301100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738551225600).

1100113301100 is an abundant number, since it is smaller than the sum of its proper divisors (2376989150100).

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

1100113301100 is a wasteful number, since it uses less digits than its factorization.

1100113301100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455560 (or 455553 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 1100113301100 its reverse (11033110011), we get a palindrome (1111146411111).

The spelling of 1100113301100 in words is "one trillion, one hundred billion, one hundred thirteen million, three hundred one thousand, one hundred".