11123200203211 has 4 divisors (see below), whose sum is σ = 11482013113024. Its totient is φ = 10764387293400.

The previous prime is 11123200203161. The next prime is 11123200203257. The reversal of 11123200203211 is 11230200232111.

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

It is a cyclic number.

It is not a de Polignac number, because 11123200203211 - 2²⁹ = 11122663332299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123200204211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179406454860 + ... + 179406454921.

It is an arithmetic number, because the mean of its divisors is an integer number (2870503278256).

Almost surely, 2^{11123200203211} is an apocalyptic number.

11123200203211 is a deficient number, since it is larger than the sum of its proper divisors (358812909813).

11123200203211 is an equidigital number, since it uses as much as digits as its factorization.

11123200203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358812909812.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11123200203211 its reverse (11230200232111), we get a palindrome (22353400435322).

The spelling of 11123200203211 in words is "eleven trillion, one hundred twenty-three billion, two hundred million, two hundred three thousand, two hundred eleven".