20112000221100 has 36 divisors (see below), whose sum is σ = 58190720640584. Its totient is φ = 5363200058880.

The previous prime is 20112000221099. The next prime is 20112000221149. The reversal of 20112000221100 is 112200021102.

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 11 ways as a sum of consecutive naturals, for example, 33520000069 + ... + 33520000668.

Almost surely, 2^{20112000221100} is an apocalyptic number.

20112000221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112000221100 is an abundant number, since it is smaller than the sum of its proper divisors (38078720419484).

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

20112000221100 is a wasteful number, since it uses less digits than its factorization.

20112000221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67040000754 (or 67040000747 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20112000221100 its reverse (112200021102), we get a palindrome (20224200242202).

It can be divided in two parts, 201120002 and 21100, that added together give a palindrome (201141102).

The spelling of 20112000221100 in words is "twenty trillion, one hundred twelve billion, two hundred twenty-one thousand, one hundred".