11321221323013 has 8 divisors (see below), whose sum is σ = 12939786547520. Its totient is φ = 9702968071680.

The previous prime is 11321221322953. The next prime is 11321221323029. The reversal of 11321221323013 is 31032312212311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11321221323013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321221323053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77915523 + ... + 78060688.

It is an arithmetic number, because the mean of its divisors is an integer number (1617473318440).

Almost surely, 2^{11321221323013} is an apocalyptic number.

It is an amenable number.

11321221323013 is a deficient number, since it is larger than the sum of its proper divisors (1618565224507).

11321221323013 is a wasteful number, since it uses less digits than its factorization.

11321221323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155986587.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11321221323013 its reverse (31032312212311), we get a palindrome (42353533535324).

The spelling of 11321221323013 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred twenty-three thousand, thirteen".