12222101111211 has 24 divisors (see below), whose sum is σ = 17825876640000. Its totient is φ = 8068810075056.

The previous prime is 12222101111189. The next prime is 12222101111221. The reversal of 12222101111211 is 11211110122221.

It is a happy number.

12222101111211 is a `hidden beast` number, since 1 + 222 + 210 + 11 + 11 + 211 = 666.

It is not a de Polignac number, because 12222101111211 - 2⁹ = 12222101110699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12222101111221) 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, 73991290 + ... + 74156288.

It is an arithmetic number, because the mean of its divisors is an integer number (742744860000).

Almost surely, 2^{12222101111211} is an apocalyptic number.

12222101111211 is a deficient number, since it is larger than the sum of its proper divisors (5603775528789).

12222101111211 is a wasteful number, since it uses less digits than its factorization.

12222101111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245015 (or 245012 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 12222101111211 its reverse (11211110122221), we get a palindrome (23433211233432).

The spelling of 12222101111211 in words is "twelve trillion, two hundred twenty-two billion, one hundred one million, one hundred eleven thousand, two hundred eleven".