11244211213 has 4 divisors (see below), whose sum is σ = 11905635420. Its totient is φ = 10582787008.

The previous prime is 11244211207. The next prime is 11244211217. The reversal of 11244211213 is 31211244211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31211244211 = 7 ⋅4458749173.

It can be written as a sum of positive squares in 2 ways, for example, as 9694765444 + 1549445769 = 98462^2 + 39363^2 .

It is a cyclic number.

It is not a de Polignac number, because 11244211213 - 2²¹ = 11242114061 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 (11244211217) 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, 330712078 + ... + 330712111.

It is an arithmetic number, because the mean of its divisors is an integer number (2976408855).

Almost surely, 2^11244211213 is an apocalyptic number.

It is an amenable number.

11244211213 is a deficient number, since it is larger than the sum of its proper divisors (661424207).

11244211213 is an equidigital number, since it uses as much as digits as its factorization.

11244211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661424206.

The product of its digits is 384, while the sum is 22.

Adding to 11244211213 its reverse (31211244211), we get a palindrome (42455455424).

The spelling of 11244211213 in words is "eleven billion, two hundred forty-four million, two hundred eleven thousand, two hundred thirteen".