201202110221 has 4 divisors (see below), whose sum is σ = 229945268832. Its totient is φ = 172458951612.

The previous prime is 201202110209. The next prime is 201202110247. The reversal of 201202110221 is 122011202102.

201202110221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 201202110221 - 2¹⁸ = 201201848077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201202110196 and 201202110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202110521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14371579295 + ... + 14371579308.

It is an arithmetic number, because the mean of its divisors is an integer number (57486317208).

Almost surely, 2^201202110221 is an apocalyptic number.

It is an amenable number.

201202110221 is a deficient number, since it is larger than the sum of its proper divisors (28743158611).

201202110221 is an equidigital number, since it uses as much as digits as its factorization.

201202110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28743158610.

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

Adding to 201202110221 its reverse (122011202102), we get a palindrome (323213312323).

The spelling of 201202110221 in words is "two hundred one billion, two hundred two million, one hundred ten thousand, two hundred twenty-one".