12211131322201 has 16 divisors (see below), whose sum is σ = 14634569980800. Its totient is φ = 9967328719488.

The previous prime is 12211131322189. The next prime is 12211131322231. The reversal of 12211131322201 is 10222313111221.

It is a happy number.

It is not a de Polignac number, because 12211131322201 - 2²¹ = 12211129225049 is a prime.

It is a super-2 number, since 2×12211131322201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211131322231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411994471 + ... + 412024108.

It is an arithmetic number, because the mean of its divisors is an integer number (914660623800).

Almost surely, 2^{12211131322201} is an apocalyptic number.

It is an amenable number.

12211131322201 is a deficient number, since it is larger than the sum of its proper divisors (2423438658599).

12211131322201 is an equidigital number, since it uses as much as digits as its factorization.

12211131322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824018688.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12211131322201 its reverse (10222313111221), we get a palindrome (22433444433422).

The spelling of 12211131322201 in words is "twelve trillion, two hundred eleven billion, one hundred thirty-one million, three hundred twenty-two thousand, two hundred one".