12211201120221 has 12 divisors (see below), whose sum is σ = 17777286671872. Its totient is φ = 8076699952776.

The previous prime is 12211201120133. The next prime is 12211201120231. The reversal of 12211201120221 is 12202110211221.

12211201120221 is a `hidden beast` number, since 1 + 221 + 1 + 201 + 1 + 20 + 221 = 666.

It is not a de Polignac number, because 12211201120221 - 2²⁷ = 12211066902493 is a prime.

It is a super-2 number, since 2×12211201120221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211201120194 and 12211201120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211201120231) 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 11 ways as a sum of consecutive naturals, for example, 5341731631 + ... + 5341733916.

Almost surely, 2^{12211201120221} is an apocalyptic number.

It is an amenable number.

12211201120221 is a deficient number, since it is larger than the sum of its proper divisors (5566085551651).

12211201120221 is a wasteful number, since it uses less digits than its factorization.

12211201120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10683465680 (or 10683465677 counting only the distinct ones).

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

Adding to 12211201120221 its reverse (12202110211221), we get a palindrome (24413311331442).

The spelling of 12211201120221 in words is "twelve trillion, two hundred eleven billion, two hundred one million, one hundred twenty thousand, two hundred twenty-one".