11204243211 has 8 divisors (see below), whose sum is σ = 17073132544. Its totient is φ = 6402424680.

The previous prime is 11204243203. The next prime is 11204243221. The reversal of 11204243211 is 11234240211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11204243211 - 2³ = 11204243203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 533535391 = 11204243211 / (1 + 1 + 2 + 0 + 4 + 2 + 4 + 3 + 2 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11204243221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 266767675 + ... + 266767716.

It is an arithmetic number, because the mean of its divisors is an integer number (2134141568).

Almost surely, 2^11204243211 is an apocalyptic number.

11204243211 is a deficient number, since it is larger than the sum of its proper divisors (5868889333).

11204243211 is an equidigital number, since it uses as much as digits as its factorization.

11204243211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533535401.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11204243211 its reverse (11234240211), we get a palindrome (22438483422).

The spelling of 11204243211 in words is "eleven billion, two hundred four million, two hundred forty-three thousand, two hundred eleven".