20002122110221 has 8 divisors (see below), whose sum is σ = 21734054585600. Its totient is φ = 18338108555520.

The previous prime is 20002122110213. The next prime is 20002122110291. The reversal of 20002122110221 is 12201122120002.

It is a happy number.

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 20002122110221 - 2³ = 20002122110213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20002122110195 and 20002122110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002122110291) 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, 16979729556 + ... + 16979730733.

It is an arithmetic number, because the mean of its divisors is an integer number (2716756823200).

Almost surely, 2^{20002122110221} is an apocalyptic number.

It is an amenable number.

20002122110221 is a deficient number, since it is larger than the sum of its proper divisors (1731932475379).

20002122110221 is a wasteful number, since it uses less digits than its factorization.

20002122110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33959460339.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20002122110221 its reverse (12201122120002), we get a palindrome (32203244230223).

The spelling of 20002122110221 in words is "twenty trillion, two billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty-one".