12210221012211 has 24 divisors (see below), whose sum is σ = 19067011800720. Its totient is φ = 7503293704896.

The previous prime is 12210221012207. The next prime is 12210221012219. The reversal of 12210221012211 is 11221012201221.

12210221012211 is a `hidden beast` number, since 1 + 221 + 0 + 221 + 0 + 1 + 221 + 1 = 666.

It is not a de Polignac number, because 12210221012211 - 2² = 12210221012207 is a prime.

It is a super-2 number, since 2×12210221012211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12210221012219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 964923420 + ... + 964936073.

It is an arithmetic number, because the mean of its divisors is an integer number (794458825030).

Almost surely, 2^{12210221012211} is an apocalyptic number.

12210221012211 is a deficient number, since it is larger than the sum of its proper divisors (6856790788509).

12210221012211 is a wasteful number, since it uses less digits than its factorization.

12210221012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929859555 (or 1929859552 counting only the distinct ones).

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

Adding to 12210221012211 its reverse (11221012201221), we get a palindrome (23431233213432).

The spelling of 12210221012211 in words is "twelve trillion, two hundred ten billion, two hundred twenty-one million, twelve thousand, two hundred eleven".