11322310431221 has 8 divisors (see below), whose sum is σ = 11628584243160. Its totient is φ = 11016050588928.

The previous prime is 11322310431217. The next prime is 11322310431269. The reversal of 11322310431221 is 12213401322311.

It can be written as a sum of positive squares in 4 ways, for example, as 1471092448996 + 9851217982225 = 1212886^2 + 3138665^2 .

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 11322310431221 - 2² = 11322310431217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322310431281) 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, 1839056 + ... + 5101641.

It is an arithmetic number, because the mean of its divisors is an integer number (1453573030395).

Almost surely, 2^{11322310431221} is an apocalyptic number.

It is an amenable number.

11322310431221 is a deficient number, since it is larger than the sum of its proper divisors (306273811939).

11322310431221 is an equidigital number, since it uses as much as digits as its factorization.

11322310431221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6984823.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 11322310431221 its reverse (12213401322311), we get a palindrome (23535711753532).

The spelling of 11322310431221 in words is "eleven trillion, three hundred twenty-two billion, three hundred ten million, four hundred thirty-one thousand, two hundred twenty-one".