11233112220203 has 4 divisors (see below), whose sum is σ = 11304660705840. Its totient is φ = 11161563734568.

The previous prime is 11233112220191. The next prime is 11233112220229. The reversal of 11233112220203 is 30202221133211.

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 11233112220203 - 2²⁰ = 11233111171627 is a prime.

It is a super-2 number, since 2×11233112220203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11233112220503) 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, 35774242583 + ... + 35774242896.

It is an arithmetic number, because the mean of its divisors is an integer number (2826165176460).

Almost surely, 2^{11233112220203} is an apocalyptic number.

11233112220203 is a deficient number, since it is larger than the sum of its proper divisors (71548485637).

11233112220203 is an equidigital number, since it uses as much as digits as its factorization.

11233112220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71548485636.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11233112220203 its reverse (30202221133211), we get a palindrome (41435333353414).

The spelling of 11233112220203 in words is "eleven trillion, two hundred thirty-three billion, one hundred twelve million, two hundred twenty thousand, two hundred three".