12001101202221 has 8 divisors (see below), whose sum is σ = 16032905340960. Its totient is φ = 7985015599152.

The previous prime is 12001101202219. The next prime is 12001101202243. The reversal of 12001101202221 is 12220210110021.

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

It is not a de Polignac number, because 12001101202221 - 2¹ = 12001101202219 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12001101202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001101202621) 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, 3929632135 + ... + 3929635188.

It is an arithmetic number, because the mean of its divisors is an integer number (2004113167620).

Almost surely, 2^{12001101202221} is an apocalyptic number.

It is an amenable number.

12001101202221 is a deficient number, since it is larger than the sum of its proper divisors (4031804138739).

12001101202221 is an equidigital number, since it uses as much as digits as its factorization.

12001101202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859267835.

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

Adding to 12001101202221 its reverse (12220210110021), we get a palindrome (24221311312242).

The spelling of 12001101202221 in words is "twelve trillion, one billion, one hundred one million, two hundred two thousand, two hundred twenty-one".