12222211012211 has 8 divisors (see below), whose sum is σ = 12603445031424. Its totient is φ = 11846026450440.

The previous prime is 12222211012171. The next prime is 12222211012241. The reversal of 12222211012211 is 11221011222221.

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 12222211012211 - 2¹⁸ = 12222210750067 is a prime.

It is a super-2 number, since 2×12222211012211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222211012241) 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, 1262359445 + ... + 1262369126.

It is an arithmetic number, because the mean of its divisors is an integer number (1575430628928).

Almost surely, 2^{12222211012211} is an apocalyptic number.

12222211012211 is a deficient number, since it is larger than the sum of its proper divisors (381234019213).

12222211012211 is a wasteful number, since it uses less digits than its factorization.

12222211012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524728721.

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

Adding to 12222211012211 its reverse (11221011222221), we get a palindrome (23443222234432).

The spelling of 12222211012211 in words is "twelve trillion, two hundred twenty-two billion, two hundred eleven million, twelve thousand, two hundred eleven".