11213201233 has 8 divisors (see below), whose sum is σ = 12370286376. Its totient is φ = 10098192000.

The previous prime is 11213201227. The next prime is 11213201249. The reversal of 11213201233 is 33210231211.

It can be written as a sum of positive squares in 4 ways, for example, as 248598289 + 10964602944 = 15767^2 + 104712^2 .

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

It is not a de Polignac number, because 11213201233 - 2²⁹ = 10676330321 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 11213201233.

It is not an unprimeable number, because it can be changed into a prime (11213201273) 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, 10518418 + ... + 10519483.

It is an arithmetic number, because the mean of its divisors is an integer number (1546285797).

Almost surely, 2^11213201233 is an apocalyptic number.

11213201233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11213201233 is a deficient number, since it is larger than the sum of its proper divisors (1157085143).

11213201233 is a wasteful number, since it uses less digits than its factorization.

11213201233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21037955.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11213201233 its reverse (33210231211), we get a palindrome (44423432444).

The spelling of 11213201233 in words is "eleven billion, two hundred thirteen million, two hundred one thousand, two hundred thirty-three".