1100112000020 has 192 divisors, whose sum is σ = 2683312531200. Its totient is φ = 374653440000.

The previous prime is 1100112000007. The next prime is 1100112000023. The reversal of 1100112000020 is 200002110011.

It is a junction number, because it is equal to n+sod(n) for n = 1100111999971 and 1100112000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100112000023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341542010 + ... + 341545230.

It is an arithmetic number, because the mean of its divisors is an integer number (13975586100).

Almost surely, 2^{1100112000020} is an apocalyptic number.

1100112000020 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 1100112000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341656265600).

1100112000020 is an abundant number, since it is smaller than the sum of its proper divisors (1583200531180).

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

1100112000020 is a wasteful number, since it uses less digits than its factorization.

1100112000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170 (or 4168 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1100112000020 its reverse (200002110011), we get a palindrome (1300114110031).

It can be divided in two parts, 11001 and 12000020, that added together give a palindrome (12011021).

The spelling of 1100112000020 in words is "one trillion, one hundred billion, one hundred twelve million, twenty", and thus it is an aban number.