4111220205 has 80 divisors (see below), whose sum is σ = 7514698224. Its totient is φ = 2149908480.

The previous prime is 4111220189. The next prime is 4111220213. The reversal of 4111220205 is 5020221114.

It can be written as a sum of positive squares in 8 ways, for example, as 765407556 + 3345812649 = 27666^2 + 57843^2 .

It is not a de Polignac number, because 4111220205 - 2⁴ = 4111220189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7124877 + ... + 7125453.

Almost surely, 2^4111220205 is an apocalyptic number.

4111220205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4111220205 is a deficient number, since it is larger than the sum of its proper divisors (3403478019).

4111220205 is a wasteful number, since it uses less digits than its factorization.

4111220205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 4111220205 is about 64118.7975947771. The cubic root of 4111220205 is about 1601.9793478800.

Adding to 4111220205 its reverse (5020221114), we get a palindrome (9131441319).

Subtracting 4111220205 from its reverse (5020221114), we obtain a palindrome (909000909).

The spelling of 4111220205 in words is "four billion, one hundred eleven million, two hundred twenty thousand, two hundred five".