12210222101211 has 36 divisors (see below), whose sum is σ = 18503211875512. Its totient is φ = 8056228595328.

The previous prime is 12210222101197. The next prime is 12210222101227. The reversal of 12210222101211 is 11210122201221.

12210222101211 is a `hidden beast` number, since 1 + 221 + 0 + 22 + 210 + 1 + 211 = 666.

It is not a de Polignac number, because 12210222101211 - 2⁵ = 12210222101179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210222101111) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8956525 + ... + 10229358.

Almost surely, 2^{12210222101211} is an apocalyptic number.

12210222101211 is a deficient number, since it is larger than the sum of its proper divisors (6292989774301).

12210222101211 is an frugal number, since it uses more digits than its factorization.

12210222101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19186004 (or 19185983 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12210222101211 its reverse (11210122201221), we get a palindrome (23420344302432).

It can be divided in two parts, 1221022 and 2101211, that added together give a palindrome (3322233).

The spelling of 12210222101211 in words is "twelve trillion, two hundred ten billion, two hundred twenty-two million, one hundred one thousand, two hundred eleven".