11321221331333 has 32 divisors (see below), whose sum is σ = 11581742188800. Its totient is φ = 11065081282560.

The previous prime is 11321221331323. The next prime is 11321221331351. The reversal of 11321221331333 is 33313312212311.

It is a cyclic number.

It is not a de Polignac number, because 11321221331333 - 2¹⁶ = 11321221265797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11321221331296 and 11321221331305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321221331323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1042368323 + ... + 1042379183.

It is an arithmetic number, because the mean of its divisors is an integer number (361929443400).

Almost surely, 2^{11321221331333} is an apocalyptic number.

It is an amenable number.

11321221331333 is a deficient number, since it is larger than the sum of its proper divisors (260520857467).

11321221331333 is a wasteful number, since it uses less digits than its factorization.

11321221331333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11597.

The product of its digits is 5832, while the sum is 29.

Adding to 11321221331333 its reverse (33313312212311), we get a palindrome (44634533543644).

The spelling of 11321221331333 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred thirty-one thousand, three hundred thirty-three".