11321330213221 has 8 divisors (see below), whose sum is σ = 12945944298560. Its totient is φ = 9698536427328.

The previous prime is 11321330213213. The next prime is 11321330213231. The reversal of 11321330213221 is 12231203312311.

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

It is not a de Polignac number, because 11321330213221 - 2³ = 11321330213213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321330213231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455061531 + ... + 455086408.

It is an arithmetic number, because the mean of its divisors is an integer number (1618243037320).

Almost surely, 2^{11321330213221} is an apocalyptic number.

It is an amenable number.

11321330213221 is a deficient number, since it is larger than the sum of its proper divisors (1624614085339).

11321330213221 is an equidigital number, since it uses as much as digits as its factorization.

11321330213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910149723.

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

Adding to 11321330213221 its reverse (12231203312311), we get a palindrome (23552533525532).

The spelling of 11321330213221 in words is "eleven trillion, three hundred twenty-one billion, three hundred thirty million, two hundred thirteen thousand, two hundred twenty-one".