11220120127213 has 2 divisors, whose sum is σ = 11220120127214. Its totient is φ = 11220120127212.

The previous prime is 11220120127211. The next prime is 11220120127261. The reversal of 11220120127213 is 31272102102211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10561057049284 + 659063077929 = 3249778^2 + 811827^2 .

It is an emirp because it is prime and its reverse (31272102102211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11220120127213 - 2¹ = 11220120127211 is a prime.

Together with 11220120127211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220120127211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610060063606 + 5610060063607.

It is an arithmetic number, because the mean of its divisors is an integer number (5610060063607).

Almost surely, 2^{11220120127213} is an apocalyptic number.

It is an amenable number.

11220120127213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220120127213 is an equidigital number, since it uses as much as digits as its factorization.

11220120127213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 11220120127213 its reverse (31272102102211), we get a palindrome (42492222229424).

The spelling of 11220120127213 in words is "eleven trillion, two hundred twenty billion, one hundred twenty million, one hundred twenty-seven thousand, two hundred thirteen".