11321222012211 has 8 divisors (see below), whose sum is σ = 15502934647504. Its totient is φ = 7343495359200.

The previous prime is 11321222012203. The next prime is 11321222012239. The reversal of 11321222012211 is 11221022212311.

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

It is not a de Polignac number, because 11321222012211 - 2³ = 11321222012203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321222012251) 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, 50996495440 + ... + 50996495661.

It is an arithmetic number, because the mean of its divisors is an integer number (1937866830938).

Almost surely, 2^{11321222012211} is an apocalyptic number.

11321222012211 is a deficient number, since it is larger than the sum of its proper divisors (4181712635293).

11321222012211 is a wasteful number, since it uses less digits than its factorization.

11321222012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101992991141.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11321222012211 its reverse (11221022212311), we get a palindrome (22542244224522).

The spelling of 11321222012211 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twelve thousand, two hundred eleven".