11211312211222 has 8 divisors (see below), whose sum is σ = 16817166975672. Its totient is φ = 5605589886000.

The previous prime is 11211312211201. The next prime is 11211312211241. The reversal of 11211312211222 is 22211221311211.

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

It is a super-2 number, since 2×11211312211222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11211312211193 and 11211312211202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32897904 + ... + 33236947.

It is an arithmetic number, because the mean of its divisors is an integer number (2102145871959).

Almost surely, 2^{11211312211222} is an apocalyptic number.

11211312211222 is a deficient number, since it is larger than the sum of its proper divisors (5605854764450).

11211312211222 is an equidigital number, since it uses as much as digits as its factorization.

11211312211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66219614.

The product of its digits is 192, while the sum is 22.

Adding to 11211312211222 its reverse (22211221311211), we get a palindrome (33422533522433).

The spelling of 11211312211222 in words is "eleven trillion, two hundred eleven billion, three hundred twelve million, two hundred eleven thousand, two hundred twenty-two".