2211102220110 has 128 divisors (see below), whose sum is σ = 6123247902720. Its totient is φ = 500521762944.

The previous prime is 2211102220087. The next prime is 2211102220111. The reversal of 2211102220110 is 110222011122.

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 2211102220110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211102220111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86429301 + ... + 86454879.

It is an arithmetic number, because the mean of its divisors is an integer number (47837874240).

Almost surely, 2^{2211102220110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211102220110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3061623951360).

2211102220110 is an abundant number, since it is smaller than the sum of its proper divisors (3912145682610).

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

2211102220110 is a wasteful number, since it uses less digits than its factorization.

2211102220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29550.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2211102220110 its reverse (110222011122), we get a palindrome (2321324231232).

The spelling of 2211102220110 in words is "two trillion, two hundred eleven billion, one hundred two million, two hundred twenty thousand, one hundred ten".