11220110111100 has 144 divisors (see below), whose sum is σ = 35416140721920. Its totient is φ = 2719919692800.

The previous prime is 11220110111099. The next prime is 11220110111107. The reversal of 11220110111100 is 111101102211.

11220110111100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220110111107) 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, 112575889 + ... + 112675511.

It is an arithmetic number, because the mean of its divisors is an integer number (245945421680).

Almost surely, 2^{11220110111100} is an apocalyptic number.

11220110111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220110111100 is an abundant number, since it is smaller than the sum of its proper divisors (24196030610820).

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

11220110111100 is a wasteful number, since it uses less digits than its factorization.

11220110111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133780 (or 133773 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11220110111100 its reverse (111101102211), we get a palindrome (11331211213311).

The spelling of 11220110111100 in words is "eleven trillion, two hundred twenty billion, one hundred ten million, one hundred eleven thousand, one hundred".