12211103221201 has 4 divisors (see below), whose sum is σ = 12632175746100. Its totient is φ = 11790030696304.

The previous prime is 12211103221157. The next prime is 12211103221217. The reversal of 12211103221201 is 10212230111221.

12211103221201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8353394770176 + 3857708451025 = 2890224^2 + 1964105^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211103221201 - 2¹³ = 12211103213009 is a prime.

It is a super-2 number, since 2×12211103221201² (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 (12211103221241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210536262406 + ... + 210536262463.

It is an arithmetic number, because the mean of its divisors is an integer number (3158043936525).

Almost surely, 2^{12211103221201} is an apocalyptic number.

It is an amenable number.

12211103221201 is a deficient number, since it is larger than the sum of its proper divisors (421072524899).

12211103221201 is an equidigital number, since it uses as much as digits as its factorization.

12211103221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421072524898.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12211103221201 its reverse (10212230111221), we get a palindrome (22423333332422).

The spelling of 12211103221201 in words is "twelve trillion, two hundred eleven billion, one hundred three million, two hundred twenty-one thousand, two hundred one".