11021100013013 has 4 divisors (see below), whose sum is σ = 11172073985868. Its totient is φ = 10870126040160.

The previous prime is 11021100012997. The next prime is 11021100013069. The reversal of 11021100013013 is 31031000112011.

It is a happy number.

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 8041999848964 + 2979100164049 = 2835842^2 + 1726007^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021100013013 - 2⁴ = 11021100012997 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 (11021100013213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75486986318 + ... + 75486986463.

It is an arithmetic number, because the mean of its divisors is an integer number (2793018496467).

Almost surely, 2^{11021100013013} is an apocalyptic number.

It is an amenable number.

11021100013013 is a deficient number, since it is larger than the sum of its proper divisors (150973972855).

11021100013013 is an equidigital number, since it uses as much as digits as its factorization.

11021100013013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150973972854.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11021100013013 its reverse (31031000112011), we get a palindrome (42052100125024).

The spelling of 11021100013013 in words is "eleven trillion, twenty-one billion, one hundred million, thirteen thousand, thirteen".