2221102110 has 96 divisors (see below), whose sum is σ = 5500905696. Its totient is φ = 573888000.

The previous prime is 2221102099. The next prime is 2221102127. The reversal of 2221102110 is 112011222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11274532 + ... + 11274728.

It is an arithmetic number, because the mean of its divisors is an integer number (57301101).

Almost surely, 2^2221102110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221102110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2750452848).

2221102110 is an abundant number, since it is smaller than the sum of its proper divisors (3279803586).

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

2221102110 is a wasteful number, since it uses less digits than its factorization.

2221102110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 369 counting only the distinct ones).

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

The square root of 2221102110 is about 47128.5699974018. The cubic root of 2221102110 is about 1304.7365889862.

Adding to 2221102110 its reverse (112011222), we get a palindrome (2333113332).

The spelling of 2221102110 in words is "two billion, two hundred twenty-one million, one hundred two thousand, one hundred ten".