11212220322321 has 4 divisors (see below), whose sum is σ = 14949627096432. Its totient is φ = 7474813548212.

The previous prime is 11212220322301. The next prime is 11212220322367. The reversal of 11212220322321 is 12322302221211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11212220322321 - 2¹³ = 11212220314129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11212220322291 and 11212220322300.

It is not an unprimeable number, because it can be changed into a prime (11212220322301) 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 3 ways as a sum of consecutive naturals, for example, 1868703387051 + ... + 1868703387056.

It is an arithmetic number, because the mean of its divisors is an integer number (3737406774108).

Almost surely, 2^{11212220322321} is an apocalyptic number.

It is an amenable number.

11212220322321 is a deficient number, since it is larger than the sum of its proper divisors (3737406774111).

11212220322321 is an equidigital number, since it uses as much as digits as its factorization.

11212220322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737406774110.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11212220322321 its reverse (12322302221211), we get a palindrome (23534522543532).

The spelling of 11212220322321 in words is "eleven trillion, two hundred twelve billion, two hundred twenty million, three hundred twenty-two thousand, three hundred twenty-one".