12221001220101 has 8 divisors (see below), whose sum is σ = 16735064733984. Its totient is φ = 7927135926480.

The previous prime is 12221001220073. The next prime is 12221001220111. The reversal of 12221001220101 is 10102210012221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12221001220101 - 2¹⁷ = 12221001089029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221001220111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55049554935 + ... + 55049555156.

It is an arithmetic number, because the mean of its divisors is an integer number (2091883091748).

Almost surely, 2^{12221001220101} is an apocalyptic number.

It is an amenable number.

12221001220101 is a deficient number, since it is larger than the sum of its proper divisors (4514063513883).

12221001220101 is a wasteful number, since it uses less digits than its factorization.

12221001220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110099110131.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12221001220101 its reverse (10102210012221), we get a palindrome (22323211232322).

The spelling of 12221001220101 in words is "twelve trillion, two hundred twenty-one billion, one million, two hundred twenty thousand, one hundred one".