11100421204 has 24 divisors (see below), whose sum is σ = 19643272488. Its totient is φ = 5488158720.

The previous prime is 11100421187. The next prime is 11100421249. The reversal of 11100421204 is 40212400111.

It is a happy number.

11100421204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2220100 + 11098201104 = 1490^2 + 105348^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450894 + ... + 474874.

It is an arithmetic number, because the mean of its divisors is an integer number (818469687).

Almost surely, 2^11100421204 is an apocalyptic number.

It is an amenable number.

11100421204 is a deficient number, since it is larger than the sum of its proper divisors (8542851284).

11100421204 is a wasteful number, since it uses less digits than its factorization.

11100421204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25275 (or 25273 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11100421204 its reverse (40212400111), we get a palindrome (51312821315).

The spelling of 11100421204 in words is "eleven billion, one hundred million, four hundred twenty-one thousand, two hundred four".