11213202243 has 4 divisors (see below), whose sum is σ = 14950936328. Its totient is φ = 7475468160.

The previous prime is 11213202233. The next prime is 11213202271. The reversal of 11213202243 is 34220231211.

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

It is not a de Polignac number, because 11213202243 - 2⁵ = 11213202211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213202233) 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, 1868867038 + ... + 1868867043.

It is an arithmetic number, because the mean of its divisors is an integer number (3737734082).

Almost surely, 2^11213202243 is an apocalyptic number.

11213202243 is a deficient number, since it is larger than the sum of its proper divisors (3737734085).

11213202243 is an equidigital number, since it uses as much as digits as its factorization.

11213202243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737734084.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11213202243 its reverse (34220231211), we get a palindrome (45433433454).

The spelling of 11213202243 in words is "eleven billion, two hundred thirteen million, two hundred two thousand, two hundred forty-three".