11102111200020 has 96 divisors (see below), whose sum is σ = 31928305788288. Its totient is φ = 2880346148352.

The previous prime is 11102111200007. The next prime is 11102111200049. The reversal of 11102111200020 is 2000211120111.

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

It is a junction number, because it is equal to n+sod(n) for n = 11102111199969 and 11102111200005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32961502 + ... + 33296618.

It is an arithmetic number, because the mean of its divisors is an integer number (332586518628).

Almost surely, 2^{11102111200020} is an apocalyptic number.

11102111200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102111200020 is an abundant number, since it is smaller than the sum of its proper divisors (20826194588268).

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

11102111200020 is a wasteful number, since it uses less digits than its factorization.

11102111200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350089 (or 350087 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11102111200020 its reverse (2000211120111), we get a palindrome (13102322320131).

The spelling of 11102111200020 in words is "eleven trillion, one hundred two billion, one hundred eleven million, two hundred thousand, twenty".