20102221002201 has 16 divisors (see below), whose sum is σ = 28882756869120. Its totient is φ = 12362870707200.

The previous prime is 20102221002191. The next prime is 20102221002203. The reversal of 20102221002201 is 10220012220102.

It is not a de Polignac number, because 20102221002201 - 2⁵ = 20102221002169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102221002203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160912441 + ... + 161037318.

It is an arithmetic number, because the mean of its divisors is an integer number (1805172304320).

Almost surely, 2^{20102221002201} is an apocalyptic number.

It is an amenable number.

20102221002201 is a deficient number, since it is larger than the sum of its proper divisors (8780535866919).

20102221002201 is a wasteful number, since it uses less digits than its factorization.

20102221002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321951376.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20102221002201 its reverse (10220012220102), we get a palindrome (30322233222303).

The spelling of 20102221002201 in words is "twenty trillion, one hundred two billion, two hundred twenty-one million, two thousand, two hundred one".