202221100010201 has 6 divisors (see below), whose sum is σ = 207033284111850. Its totient is φ = 197518283729088.

The previous prime is 202221100010197. The next prime is 202221100010233. The reversal of 202221100010201 is 102010001122202.

It can be written as a sum of positive squares in only one way, i.e., 186970044342601 + 15251055667600 = 13673699^2 + 3905260^2 .

It is not a de Polignac number, because 202221100010201 - 2² = 202221100010197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202221100010701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54683908376 + ... + 54683912073.

It is an arithmetic number, because the mean of its divisors is an integer number (34505547351975).

Almost surely, 2^{202221100010201} is an apocalyptic number.

It is an amenable number.

202221100010201 is a deficient number, since it is larger than the sum of its proper divisors (4812184101649).

202221100010201 is an equidigital number, since it uses as much as digits as its factorization.

202221100010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109367820535 (or 109367820492 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202221100010201 its reverse (102010001122202), we get a palindrome (304231101132403).

The spelling of 202221100010201 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred million, ten thousand, two hundred one".