12211100221211 has 8 divisors (see below), whose sum is σ = 12311548250880. Its totient is φ = 12110816190528.

The previous prime is 12211100221163. The next prime is 12211100221231. The reversal of 12211100221211 is 11212200111221.

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

It is a cyclic number.

It is not a de Polignac number, because 12211100221211 - 2¹⁸ = 12211099959067 is a prime.

It is a super-2 number, since 2×12211100221211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12211100221211.

It is not an unprimeable number, because it can be changed into a prime (12211100221231) 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, 40850216 + ... + 41148053.

It is an arithmetic number, because the mean of its divisors is an integer number (1538943531360).

Almost surely, 2^{12211100221211} is an apocalyptic number.

12211100221211 is a deficient number, since it is larger than the sum of its proper divisors (100448029669).

12211100221211 is a wasteful number, since it uses less digits than its factorization.

12211100221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81999493.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12211100221211 its reverse (11212200111221), we get a palindrome (23423300332432).

The spelling of 12211100221211 in words is "twelve trillion, two hundred eleven billion, one hundred million, two hundred twenty-one thousand, two hundred eleven".