11123213110203 has 8 divisors (see below), whose sum is σ = 14832589810000. Its totient is φ = 7414655908608.

The previous prime is 11123213110187. The next prime is 11123213110211. The reversal of 11123213110203 is 30201131232111.

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

It is not a de Polignac number, because 11123213110203 - 2⁴ = 11123213110187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11123213110203.

It is not an unprimeable number, because it can be changed into a prime (11123213110103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204842878 + ... + 204897171.

It is an arithmetic number, because the mean of its divisors is an integer number (1854073726250).

Almost surely, 2^{11123213110203} is an apocalyptic number.

11123213110203 is a deficient number, since it is larger than the sum of its proper divisors (3709376699797).

11123213110203 is an equidigital number, since it uses as much as digits as its factorization.

11123213110203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409749101.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11123213110203 its reverse (30201131232111), we get a palindrome (41324344342314).

The spelling of 11123213110203 in words is "eleven trillion, one hundred twenty-three billion, two hundred thirteen million, one hundred ten thousand, two hundred three".