11100223205 has 4 divisors (see below), whose sum is σ = 13320267852. Its totient is φ = 8880178560.

The previous prime is 11100223181. The next prime is 11100223217. The reversal of 11100223205 is 50232200111.

It is a happy number.

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 6832344964 + 4267878241 = 82658^2 + 65329^2 .

It is not a de Polignac number, because 11100223205 - 2²⁰ = 11099174629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110022316 + ... + 1110022325.

It is an arithmetic number, because the mean of its divisors is an integer number (3330066963).

Almost surely, 2^11100223205 is an apocalyptic number.

It is an amenable number.

11100223205 is a deficient number, since it is larger than the sum of its proper divisors (2220044647).

11100223205 is an equidigital number, since it uses as much as digits as its factorization.

11100223205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220044646.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 11100223205 its reverse (50232200111), we get a palindrome (61332423316).

The spelling of 11100223205 in words is "eleven billion, one hundred million, two hundred twenty-three thousand, two hundred five".