201022210221 has 8 divisors (see below), whose sum is σ = 306319558464. Its totient is φ = 114869834400.

The previous prime is 201022210219. The next prime is 201022210229. The reversal of 201022210221 is 122012220102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201022210221 - 2¹ = 201022210219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201022210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022210229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4786243080 + ... + 4786243121.

It is an arithmetic number, because the mean of its divisors is an integer number (38289944808).

Almost surely, 2^201022210221 is an apocalyptic number.

201022210221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201022210221 is a deficient number, since it is larger than the sum of its proper divisors (105297348243).

201022210221 is an equidigital number, since it uses as much as digits as its factorization.

201022210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572486211.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201022210221 its reverse (122012220102), we get a palindrome (323034430323).

The spelling of 201022210221 in words is "two hundred one billion, twenty-two million, two hundred ten thousand, two hundred twenty-one".