11023013221313 has 4 divisors (see below), whose sum is σ = 11048470527108. Its totient is φ = 10997555915520.

The previous prime is 11023013221303. The next prime is 11023013221321. The reversal of 11023013221313 is 31312231032011.

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 589228182544 + 10433785038769 = 767612^2 + 3230137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11023013221313 is a prime.

It is a super-3 number, since 3×11023013221313³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11023013221303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12728652248 + ... + 12728653113.

It is an arithmetic number, because the mean of its divisors is an integer number (2762117631777).

Almost surely, 2^{11023013221313} is an apocalyptic number.

It is an amenable number.

11023013221313 is a deficient number, since it is larger than the sum of its proper divisors (25457305795).

11023013221313 is an equidigital number, since it uses as much as digits as its factorization.

11023013221313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25457305794.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11023013221313 its reverse (31312231032011), we get a palindrome (42335244253324).

The spelling of 11023013221313 in words is "eleven trillion, twenty-three billion, thirteen million, two hundred twenty-one thousand, three hundred thirteen".