10121221200201 has 32 divisors (see below), whose sum is σ = 14315341616640. Its totient is φ = 6338771299584.

The previous prime is 10121221200173. The next prime is 10121221200247. The reversal of 10121221200201 is 10200212212101.

It is not a de Polignac number, because 10121221200201 - 2²⁵ = 10121187645769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10121221210201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137698806 + ... + 137772288.

It is an arithmetic number, because the mean of its divisors is an integer number (447354425520).

Almost surely, 2^{10121221200201} is an apocalyptic number.

It is an amenable number.

10121221200201 is a deficient number, since it is larger than the sum of its proper divisors (4194120416439).

10121221200201 is a wasteful number, since it uses less digits than its factorization.

10121221200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78485.

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

Adding to 10121221200201 its reverse (10200212212101), we get a palindrome (20321433412302).

The spelling of 10121221200201 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred thousand, two hundred one".