12211220112201 has 48 divisors (see below), whose sum is σ = 20931384443200. Its totient is φ = 7011226823040.

The previous prime is 12211220112151. The next prime is 12211220112227. The reversal of 12211220112201 is 10221102211221.

12211220112201 is a `hidden beast` number, since 1 + 2 + 211 + 220 + 11 + 220 + 1 = 666.

It is not a de Polignac number, because 12211220112201 - 2⁹ = 12211220111689 is a prime.

It is a super-2 number, since 2×12211220112201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211220112601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98299696 + ... + 98423841.

Almost surely, 2^{12211220112201} is an apocalyptic number.

12211220112201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12211220112201 is a deficient number, since it is larger than the sum of its proper divisors (8720164330999).

12211220112201 is a wasteful number, since it uses less digits than its factorization.

12211220112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196723587 (or 196723570 counting only the distinct ones).

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

Adding to 12211220112201 its reverse (10221102211221), we get a palindrome (22432322323422).

The spelling of 12211220112201 in words is "twelve trillion, two hundred eleven billion, two hundred twenty million, one hundred twelve thousand, two hundred one".