11233220213 has 4 divisors (see below), whose sum is σ = 11264510880. Its totient is φ = 11201929548.

The previous prime is 11233220183. The next prime is 11233220293. The reversal of 11233220213 is 31202233211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31202233211 = 17 ⋅1835425483.

It is a cyclic number.

It is not a de Polignac number, because 11233220213 - 2¹² = 11233216117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233220293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15644795 + ... + 15645512.

It is an arithmetic number, because the mean of its divisors is an integer number (2816127720).

Almost surely, 2^11233220213 is an apocalyptic number.

It is an amenable number.

11233220213 is a deficient number, since it is larger than the sum of its proper divisors (31290667).

11233220213 is an equidigital number, since it uses as much as digits as its factorization.

11233220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31290666.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11233220213 its reverse (31202233211), we get a palindrome (42435453424).

The spelling of 11233220213 in words is "eleven billion, two hundred thirty-three million, two hundred twenty thousand, two hundred thirteen".