11321222021211 has 32 divisors (see below), whose sum is σ = 15506304952320. Its totient is φ = 7342844140800.

The previous prime is 11321222021209. The next prime is 11321222021227. The reversal of 11321222021211 is 11212022212311.

It is not a de Polignac number, because 11321222021211 - 2¹ = 11321222021209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11321222021411) 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 31 ways as a sum of consecutive naturals, for example, 394412086 + ... + 394440788.

It is an arithmetic number, because the mean of its divisors is an integer number (484572029760).

Almost surely, 2^{11321222021211} is an apocalyptic number.

11321222021211 is a deficient number, since it is larger than the sum of its proper divisors (4185082931109).

11321222021211 is a wasteful number, since it uses less digits than its factorization.

11321222021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37587.

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

Adding to 11321222021211 its reverse (11212022212311), we get a palindrome (22533244233522).

The spelling of 11321222021211 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, two hundred eleven".