11100110202220 has 96 divisors (see below), whose sum is σ = 25467474392640. Its totient is φ = 4039138897920.

The previous prime is 11100110202193. The next prime is 11100110202221. The reversal of 11100110202220 is 2220201100111.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11100110202220.

It is not an unprimeable number, because it can be changed into a prime (11100110202221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23663560 + ... + 24128080.

It is an arithmetic number, because the mean of its divisors is an integer number (265286191590).

Almost surely, 2^{11100110202220} is an apocalyptic number.

11100110202220 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 11100110202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12733737196320).

11100110202220 is an abundant number, since it is smaller than the sum of its proper divisors (14367364190420).

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

11100110202220 is a wasteful number, since it uses less digits than its factorization.

11100110202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465875 (or 465873 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11100110202220 its reverse (2220201100111), we get a palindrome (13320311302331).

The spelling of 11100110202220 in words is "eleven trillion, one hundred billion, one hundred ten million, two hundred two thousand, two hundred twenty".