2201102220 has 96 divisors (see below), whose sum is σ = 6328498176. Its totient is φ = 571276800.

The previous prime is 2201102219. The next prime is 2201102249. The reversal of 2201102220 is 222011022.

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

It is a junction number, because it is equal to n+sod(n) for n = 2201102196 and 2201102205.

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 31 ways as a sum of consecutive naturals, for example, 1403877 + ... + 1405443.

It is an arithmetic number, because the mean of its divisors is an integer number (65921856).

Almost surely, 2^2201102220 is an apocalyptic number.

2201102220 is a gapful number since it is divisible by the number (20) 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 2201102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3164249088).

2201102220 is an abundant number, since it is smaller than the sum of its proper divisors (4127395956).

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

2201102220 is a wasteful number, since it uses less digits than its factorization.

2201102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2201102220 is about 46915.9058316047. The cubic root of 2201102220 is about 1300.8086133008.

Adding to 2201102220 its reverse (222011022), we get a palindrome (2423113242).

The spelling of 2201102220 in words is "two billion, two hundred one million, one hundred two thousand, two hundred twenty".