10201221212201 has 16 divisors (see below), whose sum is σ = 10271867848704. Its totient is φ = 10130770504704.

The previous prime is 10201221212123. The next prime is 10201221212239. The reversal of 10201221212201 is 10221212210201.

It is a cyclic number.

It is not a de Polignac number, because 10201221212201 - 2²⁶ = 10201154103337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10201221212201.

It is not an unprimeable number, because it can be changed into a prime (10201221212401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345005720 + ... + 345035286.

It is an arithmetic number, because the mean of its divisors is an integer number (641991740544).

Almost surely, 2^{10201221212201} is an apocalyptic number.

It is an amenable number.

10201221212201 is a deficient number, since it is larger than the sum of its proper divisors (70646636503).

10201221212201 is a wasteful number, since it uses less digits than its factorization.

10201221212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32800.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10201221212201 its reverse (10221212210201), we get a palindrome (20422433422402).

The spelling of 10201221212201 in words is "ten trillion, two hundred one billion, two hundred twenty-one million, two hundred twelve thousand, two hundred one".