11321222022211 has 4 divisors (see below), whose sum is σ = 11321230137624. Its totient is φ = 11321213906800.

The previous prime is 11321222022167. The next prime is 11321222022259. The reversal of 11321222022211 is 11222022212311.

11321222022211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11321222022211 - 2⁹ = 11321222021699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321222028211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373125 + ... + 4952566.

It is an arithmetic number, because the mean of its divisors is an integer number (2830307534406).

Almost surely, 2^{11321222022211} is an apocalyptic number.

11321222022211 is a deficient number, since it is larger than the sum of its proper divisors (8115413).

11321222022211 is an equidigital number, since it uses as much as digits as its factorization.

11321222022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115412.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11321222022211 its reverse (11222022212311), we get a palindrome (22543244234522).

The spelling of 11321222022211 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty-two thousand, two hundred eleven".