201002200221 has 4 divisors (see below), whose sum is σ = 268002933632. Its totient is φ = 134001466812.

The previous prime is 201002200219. The next prime is 201002200241. The reversal of 201002200221 is 122002200102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 201002200221 - 2¹ = 201002200219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201002200197 and 201002200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002200241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33500366701 + ... + 33500366706.

It is an arithmetic number, because the mean of its divisors is an integer number (67000733408).

Almost surely, 2^201002200221 is an apocalyptic number.

It is an amenable number.

201002200221 is a deficient number, since it is larger than the sum of its proper divisors (67000733411).

201002200221 is an equidigital number, since it uses as much as digits as its factorization.

201002200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67000733410.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 201002200221 its reverse (122002200102), we get a palindrome (323004400323).

The spelling of 201002200221 in words is "two hundred one billion, two million, two hundred thousand, two hundred twenty-one".