11213223331 has 4 divisors (see below), whose sum is σ = 11803393000. Its totient is φ = 10623053664.

The previous prime is 11213223323. The next prime is 11213223337. The reversal of 11213223331 is 13332231211.

11213223331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11213223331 - 2³ = 11213223323 is a prime.

It is a super-2 number, since 2×11213223331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213223337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295084806 + ... + 295084843.

It is an arithmetic number, because the mean of its divisors is an integer number (2950848250).

Almost surely, 2^11213223331 is an apocalyptic number.

11213223331 is a deficient number, since it is larger than the sum of its proper divisors (590169669).

11213223331 is an equidigital number, since it uses as much as digits as its factorization.

11213223331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590169668.

The product of its digits is 648, while the sum is 22.

Adding to 11213223331 its reverse (13332231211), we get a palindrome (24545454542).

The spelling of 11213223331 in words is "eleven billion, two hundred thirteen million, two hundred twenty-three thousand, three hundred thirty-one".