11232211213 has 4 divisors (see below), whose sum is σ = 11244932608. Its totient is φ = 11219489820.

The previous prime is 11232211141. The next prime is 11232211217. The reversal of 11232211213 is 31211223211.

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.

It is a cyclic number.

It is not a de Polignac number, because 11232211213 - 2²⁹ = 10695340301 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 (11232211217) 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, 6359373 + ... + 6361138.

It is an arithmetic number, because the mean of its divisors is an integer number (2811233152).

Almost surely, 2^11232211213 is an apocalyptic number.

It is an amenable number.

11232211213 is a deficient number, since it is larger than the sum of its proper divisors (12721395).

11232211213 is an equidigital number, since it uses as much as digits as its factorization.

11232211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12721394.

The product of its digits is 144, while the sum is 19.

Adding to 11232211213 its reverse (31211223211), we get a palindrome (42443434424).

The spelling of 11232211213 in words is "eleven billion, two hundred thirty-two million, two hundred eleven thousand, two hundred thirteen".