12221211202211 has 8 divisors (see below), whose sum is σ = 13464232684848. Its totient is φ = 11000190100000.

The previous prime is 12221211202201. The next prime is 12221211202223. The reversal of 12221211202211 is 11220211212221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221211202211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221211202201) 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, 5500093940 + ... + 5500096161.

It is an arithmetic number, because the mean of its divisors is an integer number (1683029085606).

Almost surely, 2^{12221211202211} is an apocalyptic number.

12221211202211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12221211202211 is a deficient number, since it is larger than the sum of its proper divisors (1243021482637).

12221211202211 is a wasteful number, since it uses less digits than its factorization.

12221211202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000190213.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12221211202211 its reverse (11220211212221), we get a palindrome (23441422414432).

The spelling of 12221211202211 in words is "twelve trillion, two hundred twenty-one billion, two hundred eleven million, two hundred two thousand, two hundred eleven".