12222221202211 has 8 divisors (see below), whose sum is σ = 12630285234864. Its totient is φ = 11819785639200.

The previous prime is 12222221202209. The next prime is 12222221202221. The reversal of 12222221202211 is 11220212222221.

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 12222221202211 - 2¹ = 12222221202209 is a prime.

It is a super-2 number, since 2×12222221202211² (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 (12222221202221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407112996 + ... + 1407121681.

It is an arithmetic number, because the mean of its divisors is an integer number (1578785654358).

Almost surely, 2^{12222221202211} is an apocalyptic number.

12222221202211 is a deficient number, since it is larger than the sum of its proper divisors (408064032653).

12222221202211 is a wasteful number, since it uses less digits than its factorization.

12222221202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814234821.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12222221202211 its reverse (11220212222221), we get a palindrome (23442433424432).

The spelling of 12222221202211 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred two thousand, two hundred eleven".