2201010505 has 4 divisors (see below), whose sum is σ = 2641212612. Its totient is φ = 1760808400.

The previous prime is 2201010491. The next prime is 2201010557. The reversal of 2201010505 is 5050101022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 415018384 + 1785992121 = 20372^2 + 42261^2 .

It is not a de Polignac number, because 2201010505 - 2⁵ = 2201010473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220101046 + ... + 220101055.

It is an arithmetic number, because the mean of its divisors is an integer number (660303153).

Almost surely, 2^2201010505 is an apocalyptic number.

It is an amenable number.

2201010505 is a deficient number, since it is larger than the sum of its proper divisors (440202107).

2201010505 is an equidigital number, since it uses as much as digits as its factorization.

2201010505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440202106.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2201010505 is about 46914.9283810601. The cubic root of 2201010505 is about 1300.7905457893.

Adding to 2201010505 its reverse (5050101022), we get a palindrome (7251111527).

The spelling of 2201010505 in words is "two billion, two hundred one million, ten thousand, five hundred five".