11121322013 has 8 divisors (see below), whose sum is σ = 11497675776. Its totient is φ = 10746068400.

The previous prime is 11121322007. The next prime is 11121322033. The reversal of 11121322013 is 31022312111.

11121322013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11121322013 - 2⁶ = 11121321949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11121321982 and 11121322000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121322033) 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 7 ways as a sum of consecutive naturals, for example, 254453 + ... + 294938.

It is an arithmetic number, because the mean of its divisors is an integer number (1437209472).

Almost surely, 2^11121322013 is an apocalyptic number.

It is an amenable number.

11121322013 is a deficient number, since it is larger than the sum of its proper divisors (376353763).

11121322013 is an equidigital number, since it uses as much as digits as its factorization.

11121322013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550075.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11121322013 its reverse (31022312111), we get a palindrome (42143634124).

The spelling of 11121322013 in words is "eleven billion, one hundred twenty-one million, three hundred twenty-two thousand, thirteen".