2011104220 has 24 divisors (see below), whose sum is σ = 4225485600. Its totient is φ = 804028992.

The previous prime is 2011104169. The next prime is 2011104287. The reversal of 2011104220 is 224011102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011104220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15801 + ... + 65359.

It is an arithmetic number, because the mean of its divisors is an integer number (176061900).

Almost surely, 2^2011104220 is an apocalyptic number.

2011104220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011104220 is an abundant number, since it is smaller than the sum of its proper divisors (2214381380).

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

2011104220 is a wasteful number, since it uses less digits than its factorization.

2011104220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51597 (or 51595 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2011104220 is about 44845.3366583416. The cubic root of 2011104220 is about 1262.2484878842.

Adding to 2011104220 its reverse (224011102), we get a palindrome (2235115322).

The spelling of 2011104220 in words is "two billion, eleven million, one hundred four thousand, two hundred twenty".