11121222010013 has 4 divisors (see below), whose sum is σ = 11121269221500. Its totient is φ = 11121174798528.

The previous prime is 11121222009917. The next prime is 11121222010027. The reversal of 11121222010013 is 31001022212111.

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 2873286035929 + 8247935974084 = 1695077^2 + 2871922^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121222010013 - 2⁴⁰ = 10021710382237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121222009973 and 11121222010000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121222010513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23250620 + ... + 23724117.

It is an arithmetic number, because the mean of its divisors is an integer number (2780317305375).

Almost surely, 2^{11121222010013} is an apocalyptic number.

It is an amenable number.

11121222010013 is a deficient number, since it is larger than the sum of its proper divisors (47211487).

11121222010013 is an equidigital number, since it uses as much as digits as its factorization.

11121222010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47211486.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11121222010013 its reverse (31001022212111), we get a palindrome (42122244222124).

The spelling of 11121222010013 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty-two million, ten thousand, thirteen".