11321222021331 has 8 divisors (see below), whose sum is σ = 15096054294480. Its totient is φ = 7546935547872.

The previous prime is 11321222021297. The next prime is 11321222021353. The reversal of 11321222021331 is 13312022212311.

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

It is not a de Polignac number, because 11321222021331 - 2¹⁰ = 11321222020307 is a prime.

It is a super-2 number, since 2×11321222021331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11321222029331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136401520 + ... + 136484493.

It is an arithmetic number, because the mean of its divisors is an integer number (1887006786810).

Almost surely, 2^{11321222021331} is an apocalyptic number.

11321222021331 is a deficient number, since it is larger than the sum of its proper divisors (3774832273149).

11321222021331 is a wasteful number, since it uses less digits than its factorization.

11321222021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272899845.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11321222021331 its reverse (13312022212311), we get a palindrome (24633244233642).

The spelling of 11321222021331 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, three hundred thirty-one".