13311220310021 has 8 divisors (see below), whose sum is σ = 14094276727104. Its totient is φ = 12528168721600.

The previous prime is 13311220309993. The next prime is 13311220310029. The reversal of 13311220310021 is 12001302211331.

It is a happy number.

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 13311220310021 - 2⁴² = 8913173798917 is a prime.

It is a super-2 number, since 2×13311220310021² (a number of 27 digits) contains 22 as substring.

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 = 13311220309975 and 13311220310002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311220310029) 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, 5548736 + ... + 7576998.

It is an arithmetic number, because the mean of its divisors is an integer number (1761784590888).

Almost surely, 2^{13311220310021} is an apocalyptic number.

It is an amenable number.

13311220310021 is a deficient number, since it is larger than the sum of its proper divisors (783056417083).

13311220310021 is a wasteful number, since it uses less digits than its factorization.

13311220310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414331.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13311220310021 its reverse (12001302211331), we get a palindrome (25312522521352).

The spelling of 13311220310021 in words is "thirteen trillion, three hundred eleven billion, two hundred twenty million, three hundred ten thousand, twenty-one".