11122144213 has 8 divisors (see below), whose sum is σ = 11334804536. Its totient is φ = 10910462400.

The previous prime is 11122144193. The next prime is 11122144217. The reversal of 11122144213 is 31244122111.

It can be written as a sum of positive squares in 4 ways, for example, as 1040578564 + 10081565649 = 32258^2 + 100407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11122144213 - 2⁹ = 11122143701 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 (11122144217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221658 + ... + 267163.

It is an arithmetic number, because the mean of its divisors is an integer number (1416850567).

Almost surely, 2^11122144213 is an apocalyptic number.

It is an amenable number.

11122144213 is a deficient number, since it is larger than the sum of its proper divisors (212660323).

11122144213 is an equidigital number, since it uses as much as digits as its factorization.

11122144213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489255.

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

Adding to 11122144213 its reverse (31244122111), we get a palindrome (42366266324).

The spelling of 11122144213 in words is "eleven billion, one hundred twenty-two million, one hundred forty-four thousand, two hundred thirteen".