12221411211 has 24 divisors (see below), whose sum is σ = 18594285840. Its totient is φ = 7713792000.

The previous prime is 12221411149. The next prime is 12221411221. The reversal of 12221411211 is 11211412221.

12221411211 is a `hidden beast` number, since 1 + 22 + 21 + 411 + 211 = 666.

It is not a de Polignac number, because 12221411211 - 2²¹ = 12219314059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221411221) 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, 251451 + ... + 296091.

It is an arithmetic number, because the mean of its divisors is an integer number (774761910).

Almost surely, 2^12221411211 is an apocalyptic number.

12221411211 is a deficient number, since it is larger than the sum of its proper divisors (6372874629).

12221411211 is a wasteful number, since it uses less digits than its factorization.

12221411211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46267 (or 46264 counting only the distinct ones).

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

Adding to 12221411211 its reverse (11211412221), we get a palindrome (23432823432).

The spelling of 12221411211 in words is "twelve billion, two hundred twenty-one million, four hundred eleven thousand, two hundred eleven".