201210021222 has 16 divisors (see below), whose sum is σ = 459908620032. Its totient is φ = 57488577480.

The previous prime is 201210021211. The next prime is 201210021277. The reversal of 201210021222 is 222120012102.

201210021222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2395357354 + ... + 2395357437.

It is an arithmetic number, because the mean of its divisors is an integer number (28744288752).

Almost surely, 2^201210021222 is an apocalyptic number.

201210021222 is an abundant number, since it is smaller than the sum of its proper divisors (258698598810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201210021222 is a wasteful number, since it uses less digits than its factorization.

201210021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790714803.

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

Adding to 201210021222 its reverse (222120012102), we get a palindrome (423330033324).

The spelling of 201210021222 in words is "two hundred one billion, two hundred ten million, twenty-one thousand, two hundred twenty-two".