220222102220221 has 16 divisors (see below), whose sum is σ = 235274003596800. Its totient is φ = 205516363626288.

The previous prime is 220222102220213. The next prime is 220222102220231. The reversal of 220222102220221 is 122022201222022.

220222102220221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 220222102220221 - 2³ = 220222102220213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220222102220192 and 220222102220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220222102220231) 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, 278161296 + ... + 278951878.

It is an arithmetic number, because the mean of its divisors is an integer number (14704625224800).

Almost surely, 2^{220222102220221} is an apocalyptic number.

It is an amenable number.

220222102220221 is a deficient number, since it is larger than the sum of its proper divisors (15051901376579).

220222102220221 is a wasteful number, since it uses less digits than its factorization.

220222102220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009488.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 220222102220221 its reverse (122022201222022), we get a palindrome (342244303442243).

The spelling of 220222102220221 in words is "two hundred twenty trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty thousand, two hundred twenty-one".