201221002010222 has 8 divisors (see below), whose sum is σ = 306336450821736. Its totient is φ = 99108851736312.

The previous prime is 201221002010213. The next prime is 201221002010263. The reversal of 201221002010222 is 222010200122102.

It is a happy number.

201221002010222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 201221002010222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750824634233 + ... + 750824634500.

It is an arithmetic number, because the mean of its divisors is an integer number (38292056352717).

Almost surely, 2^{201221002010222} is an apocalyptic number.

201221002010222 is a deficient number, since it is larger than the sum of its proper divisors (105115448811514).

201221002010222 is a wasteful number, since it uses less digits than its factorization.

201221002010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501649268802.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201221002010222 its reverse (222010200122102), we get a palindrome (423231202132324).

The spelling of 201221002010222 in words is "two hundred one trillion, two hundred twenty-one billion, two million, ten thousand, two hundred twenty-two".