11021200111013 has 2 divisors, whose sum is σ = 11021200111014. Its totient is φ = 11021200111012.

The previous prime is 11021200111007. The next prime is 11021200111093. The reversal of 11021200111013 is 31011100212011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10822303734529 + 198896376484 = 3289727^2 + 445978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021200111013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021200111093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510600055506 + 5510600055507.

It is an arithmetic number, because the mean of its divisors is an integer number (5510600055507).

Almost surely, 2^{11021200111013} is an apocalyptic number.

It is an amenable number.

11021200111013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021200111013 is an equidigital number, since it uses as much as digits as its factorization.

11021200111013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11021200111013 its reverse (31011100212011), we get a palindrome (42032300323024).

The spelling of 11021200111013 in words is "eleven trillion, twenty-one billion, two hundred million, one hundred eleven thousand, thirteen".