11321221323222 has 24 divisors (see below), whose sum is σ = 24722457067776. Its totient is φ = 3744025948656.

The previous prime is 11321221323199. The next prime is 11321221323229. The reversal of 11321221323222 is 22232312212311.

11321221323222 is a `hidden beast` number, since 1 + 1 + 3 + 212 + 213 + 232 + 2 + 2 = 666.

11321221323222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11321221323222² (a number of 27 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321221323229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2476205353 + ... + 2476209924.

It is an arithmetic number, because the mean of its divisors is an integer number (1030102377824).

Almost surely, 2^{11321221323222} is an apocalyptic number.

11321221323222 is an abundant number, since it is smaller than the sum of its proper divisors (13401235744554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321221323222 is a wasteful number, since it uses less digits than its factorization.

11321221323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952415412 (or 4952415409 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 11321221323222 its reverse (22232312212311), we get a palindrome (33553533535533).

The spelling of 11321221323222 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred twenty-two".