12201121022001 has 8 divisors (see below), whose sum is σ = 16491012888480. Its totient is φ = 8022654918432.

The previous prime is 12201121021967. The next prime is 12201121022003. The reversal of 12201121022001 is 10022012110221.

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

It is not a de Polignac number, because 12201121022001 - 2¹¹ = 12201121019953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201121022003) 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, 27856440471 + ... + 27856440908.

It is an arithmetic number, because the mean of its divisors is an integer number (2061376611060).

Almost surely, 2^{12201121022001} is an apocalyptic number.

It is an amenable number.

12201121022001 is a deficient number, since it is larger than the sum of its proper divisors (4289891866479).

12201121022001 is an equidigital number, since it uses as much as digits as its factorization.

12201121022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55712881455.

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

Adding to 12201121022001 its reverse (10022012110221), we get a palindrome (22223133132222).

The spelling of 12201121022001 in words is "twelve trillion, two hundred one billion, one hundred twenty-one million, twenty-two thousand, one".