10221212022 has 128 divisors (see below), whose sum is σ = 25105406976. Its totient is φ = 2707955712.

The previous prime is 10221212017. The next prime is 10221212041. The reversal of 10221212022 is 22021212201.

10221212022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10221211992 and 10221212010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25745928 + ... + 25746324.

It is an arithmetic number, because the mean of its divisors is an integer number (196135992).

Almost surely, 2^10221212022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10221212022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12552703488).

10221212022 is an abundant number, since it is smaller than the sum of its proper divisors (14884194954).

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

10221212022 is a wasteful number, since it uses less digits than its factorization.

10221212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

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

Adding to 10221212022 its reverse (22021212201), we get a palindrome (32242424223).

The spelling of 10221212022 in words is "ten billion, two hundred twenty-one million, two hundred twelve thousand, twenty-two".