11121223233203 has 4 divisors (see below), whose sum is σ = 11121492755760. Its totient is φ = 11120953710648.

The previous prime is 11121223233187. The next prime is 11121223233209. The reversal of 11121223233203 is 30233232212111.

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 11121223233203 - 2⁴ = 11121223233187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121223233209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134699375 + ... + 134781912.

It is an arithmetic number, because the mean of its divisors is an integer number (2780373188940).

Almost surely, 2^{11121223233203} is an apocalyptic number.

11121223233203 is a deficient number, since it is larger than the sum of its proper divisors (269522557).

11121223233203 is an equidigital number, since it uses as much as digits as its factorization.

11121223233203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269522556.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11121223233203 its reverse (30233232212111), we get a palindrome (41354455445314).

The spelling of 11121223233203 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty-three million, two hundred thirty-three thousand, two hundred three".