20022210110221 has 32 divisors (see below), whose sum is σ = 22600692403200. Its totient is φ = 17572935744000.

The previous prime is 20022210110179. The next prime is 20022210110237. The reversal of 20022210110221 is 12201101222002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20022210110221 - 2¹⁹ = 20022209585933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022210110195 and 20022210110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022210110291) 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, 403087975 + ... + 403137643.

It is an arithmetic number, because the mean of its divisors is an integer number (706271637600).

Almost surely, 2^{20022210110221} is an apocalyptic number.

It is an amenable number.

20022210110221 is a deficient number, since it is larger than the sum of its proper divisors (2578482292979).

20022210110221 is a wasteful number, since it uses less digits than its factorization.

20022210110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52501.

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

Adding to 20022210110221 its reverse (12201101222002), we get a palindrome (32223311332223).

The spelling of 20022210110221 in words is "twenty trillion, twenty-two billion, two hundred ten million, one hundred ten thousand, two hundred twenty-one".