11221323331211 has 8 divisors (see below), whose sum is σ = 12826140167424. Its totient is φ = 9616949156520.

The previous prime is 11221323331111. The next prime is 11221323331217. The reversal of 11221323331211 is 11213332312211.

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 11221323331211 - 2¹⁴ = 11221323314827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221323331217) 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, 110611055 + ... + 110712456.

It is an arithmetic number, because the mean of its divisors is an integer number (1603267520928).

Almost surely, 2^{11221323331211} is an apocalyptic number.

11221323331211 is a deficient number, since it is larger than the sum of its proper divisors (1604816836213).

11221323331211 is an equidigital number, since it uses as much as digits as its factorization.

11221323331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221330761.

The product of its digits is 1296, while the sum is 26.

Adding to 11221323331211 its reverse (11213332312211), we get a palindrome (22434655643422).

The spelling of 11221323331211 in words is "eleven trillion, two hundred twenty-one billion, three hundred twenty-three million, three hundred thirty-one thousand, two hundred eleven".