10221120222 has 24 divisors (see below), whose sum is σ = 21715463256. Its totient is φ = 3206625408.

The previous prime is 10221120199. The next prime is 10221120269. The reversal of 10221120222 is 22202112201.

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 11 ways as a sum of consecutive naturals, for example, 2945533 + ... + 2949000.

It is an arithmetic number, because the mean of its divisors is an integer number (904810969).

Almost surely, 2^10221120222 is an apocalyptic number.

10221120222 is an abundant number, since it is smaller than the sum of its proper divisors (11494343034).

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

10221120222 is a wasteful number, since it uses less digits than its factorization.

10221120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894572 (or 5894555 counting only the distinct ones).

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

Adding to 10221120222 its reverse (22202112201), we get a palindrome (32423232423).

The spelling of 10221120222 in words is "ten billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twenty-two".