11221100221110 has 128 divisors (see below), whose sum is σ = 29226375811584. Its totient is φ = 2740786805760.

The previous prime is 11221100221091. The next prime is 11221100221151. The reversal of 11221100221110 is 1112200112211.

It is a happy number.

11221100221110 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11221100221110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128776177 + ... + 128863283.

It is an arithmetic number, because the mean of its divisors is an integer number (228331061028).

Almost surely, 2^{11221100221110} is an apocalyptic number.

11221100221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11221100221110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14613187905792).

11221100221110 is an abundant number, since it is smaller than the sum of its proper divisors (18005275590474).

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

11221100221110 is a wasteful number, since it uses less digits than its factorization.

11221100221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89678.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11221100221110 its reverse (1112200112211), we get a palindrome (12333300333321).

The spelling of 11221100221110 in words is "eleven trillion, two hundred twenty-one billion, one hundred million, two hundred twenty-one thousand, one hundred ten".