220102122202201 has 16 divisors (see below), whose sum is σ = 234428854789584. Its totient is φ = 205931554791424.

The previous prime is 220102122202199. The next prime is 220102122202213. The reversal of 220102122202201 is 102202221201022.

It can be written as a sum of positive squares in 8 ways, for example, as 78951683746576 + 141150438455625 = 8885476^2 + 11880675^2 .

It is a cyclic number.

It is not a de Polignac number, because 220102122202201 - 2¹ = 220102122202199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220102122202301) 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, 42586300 + ... + 47474173.

It is an arithmetic number, because the mean of its divisors is an integer number (14651803424349).

Almost surely, 2^{220102122202201} is an apocalyptic number.

It is an amenable number.

220102122202201 is a deficient number, since it is larger than the sum of its proper divisors (14326732587383).

220102122202201 is a wasteful number, since it uses less digits than its factorization.

220102122202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90061340.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220102122202201 its reverse (102202221201022), we get a palindrome (322304343403223).

The spelling of 220102122202201 in words is "two hundred twenty trillion, one hundred two billion, one hundred twenty-two million, two hundred two thousand, two hundred one".