12212222102211 has 32 divisors (see below), whose sum is σ = 17467344027648. Its totient is φ = 7571336493600.

The previous prime is 12212222101997. The next prime is 12212222102219. The reversal of 12212222102211 is 11220122221221.

It is not a de Polignac number, because 12212222102211 - 2¹⁸ = 12212221840067 is a prime.

It is a super-2 number, since 2×12212222102211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12212222102219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11979571 + ... + 12958956.

It is an arithmetic number, because the mean of its divisors is an integer number (545854500864).

Almost surely, 2^{12212222102211} is an apocalyptic number.

12212222102211 is a deficient number, since it is larger than the sum of its proper divisors (5255121925437).

12212222102211 is a wasteful number, since it uses less digits than its factorization.

12212222102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24938751.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12212222102211 its reverse (11220122221221), we get a palindrome (23432344323432).

The spelling of 12212222102211 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-two million, one hundred two thousand, two hundred eleven".