11222320012213 has 4 divisors (see below), whose sum is σ = 11222334118188. Its totient is φ = 11222305906240.

The previous prime is 11222320012201. The next prime is 11222320012223. The reversal of 11222320012213 is 31221002322211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4618278364324 + 6604041647889 = 2149018^2 + 2569833^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222320012213 - 2¹⁷ = 11222319881141 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 (11222320012223) 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, 5783458 + ... + 7476163.

It is an arithmetic number, because the mean of its divisors is an integer number (2805583529547).

Almost surely, 2^{11222320012213} is an apocalyptic number.

It is an amenable number.

11222320012213 is a deficient number, since it is larger than the sum of its proper divisors (14105975).

11222320012213 is an equidigital number, since it uses as much as digits as its factorization.

11222320012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14105974.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11222320012213 its reverse (31221002322211), we get a palindrome (42443322334424).

The spelling of 11222320012213 in words is "eleven trillion, two hundred twenty-two billion, three hundred twenty million, twelve thousand, two hundred thirteen".