20021100110201 has 8 divisors (see below), whose sum is σ = 21377433485760. Its totient is φ = 18705254298192.

The previous prime is 20021100110173. The next prime is 20021100110227. The reversal of 20021100110201 is 10201100112002.

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

It is a cyclic number.

It is not a de Polignac number, because 20021100110201 - 2¹⁰ = 20021100109177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021100110251) 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, 10121889866 + ... + 10121891843.

It is an arithmetic number, because the mean of its divisors is an integer number (2672179185720).

Almost surely, 2^{20021100110201} is an apocalyptic number.

It is an amenable number.

20021100110201 is a deficient number, since it is larger than the sum of its proper divisors (1356333375559).

20021100110201 is a wasteful number, since it uses less digits than its factorization.

20021100110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20243781775.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20021100110201 its reverse (10201100112002), we get a palindrome (30222200222203).

The spelling of 20021100110201 in words is "twenty trillion, twenty-one billion, one hundred million, one hundred ten thousand, two hundred one".