20202102221001 has 32 divisors (see below), whose sum is σ = 27411822197760. Its totient is φ = 13232333275200.

The previous prime is 20202102220931. The next prime is 20202102221087. The reversal of 20202102221001 is 10012220120202.

It is not a de Polignac number, because 20202102221001 - 2²⁹ = 20201565350089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20202102221701) 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, 175580871 + ... + 175695891.

It is an arithmetic number, because the mean of its divisors is an integer number (856619443680).

Almost surely, 2^{20202102221001} is an apocalyptic number.

It is an amenable number.

20202102221001 is a deficient number, since it is larger than the sum of its proper divisors (7209719976759).

20202102221001 is a wasteful number, since it uses less digits than its factorization.

20202102221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119597.

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

Adding to 20202102221001 its reverse (10012220120202), we get a palindrome (30214322341203).

The spelling of 20202102221001 in words is "twenty trillion, two hundred two billion, one hundred two million, two hundred twenty-one thousand, one".