12211202112201 has 6 divisors (see below), whose sum is σ = 17638403050970. Its totient is φ = 8140801408128.

The previous prime is 12211202112191. The next prime is 12211202112229. The reversal of 12211202112201 is 10221120211221.

12211202112201 is a `hidden beast` number, since 1 + 2 + 211 + 20 + 211 + 220 + 1 = 666.

12211202112201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12131644268601 + 79557843600 = 3483051^2 + 282060^2 .

It is not a de Polignac number, because 12211202112201 - 2¹⁴ = 12211202095817 is a prime.

It is a super-2 number, since 2×12211202112201² (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 (12211202112281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678400117336 + ... + 678400117353.

Almost surely, 2^{12211202112201} is an apocalyptic number.

It is an amenable number.

12211202112201 is a deficient number, since it is larger than the sum of its proper divisors (5427200938769).

12211202112201 is a wasteful number, since it uses less digits than its factorization.

12211202112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356800234695 (or 1356800234692 counting only the distinct ones).

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

Adding to 12211202112201 its reverse (10221120211221), we get a palindrome (22432322323422).

It can be divided in two parts, 1221120211220 and 1, that added together give a palindrome (1221120211221).

The spelling of 12211202112201 in words is "twelve trillion, two hundred eleven billion, two hundred two million, one hundred twelve thousand, two hundred one".