12202201220101 has 4 divisors (see below), whose sum is σ = 12202219862892. Its totient is φ = 12202182577312.

The previous prime is 12202201220057. The next prime is 12202201220123. The reversal of 12202201220101 is 10102210220221.

It is a happy number.

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 9188470500001 + 3013730720100 = 3031249^2 + 1736010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12202201220101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202201220191) 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 3 ways as a sum of consecutive naturals, for example, 8302480 + ... + 9661033.

It is an arithmetic number, because the mean of its divisors is an integer number (3050554965723).

Almost surely, 2^{12202201220101} is an apocalyptic number.

It is an amenable number.

12202201220101 is a deficient number, since it is larger than the sum of its proper divisors (18642791).

12202201220101 is an equidigital number, since it uses as much as digits as its factorization.

12202201220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18642790.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12202201220101 its reverse (10102210220221), we get a palindrome (22304411440322).

The spelling of 12202201220101 in words is "twelve trillion, two hundred two billion, two hundred one million, two hundred twenty thousand, one hundred one".