201221220002 has 8 divisors (see below), whose sum is σ = 329271087312. Its totient is φ = 91464190900.

The previous prime is 201221219989. The next prime is 201221220047. The reversal of 201221220002 is 200022122102.

201221220002 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 an unprimeable number.

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, 4573209524 + ... + 4573209567.

It is an arithmetic number, because the mean of its divisors is an integer number (41158885914).

Almost surely, 2^201221220002 is an apocalyptic number.

201221220002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201221220002 is a deficient number, since it is larger than the sum of its proper divisors (128049867310).

201221220002 is a wasteful number, since it uses less digits than its factorization.

201221220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146419104.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201221220002 its reverse (200022122102), we get a palindrome (401243342104).

The spelling of 201221220002 in words is "two hundred one billion, two hundred twenty-one million, two hundred twenty thousand, two".