10201221222 has 32 divisors (see below), whose sum is σ = 20640821760. Its totient is φ = 3360846720.

The previous prime is 10201221203. The next prime is 10201221223. The reversal of 10201221222 is 22212210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201221223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222447 + ... + 264357.

It is an arithmetic number, because the mean of its divisors is an integer number (645025680).

Almost surely, 2^10201221222 is an apocalyptic number.

10201221222 is an abundant number, since it is smaller than the sum of its proper divisors (10439600538).

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

10201221222 is a wasteful number, since it uses less digits than its factorization.

10201221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42388.

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

Adding to 10201221222 its reverse (22212210201), we get a palindrome (32413431423).

The spelling of 10201221222 in words is "ten billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty-two".