210221022122 has 16 divisors (see below), whose sum is σ = 317633672160. Its totient is φ = 104345133648.

The previous prime is 210221022113. The next prime is 210221022131. The reversal of 210221022122 is 221220122012.

It is a happy number.

210221022122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210221022113) and next prime (210221022131).

It is a self number, because there is not a number n which added to its sum of digits gives 210221022122.

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, 290033 + ... + 710324.

It is an arithmetic number, because the mean of its divisors is an integer number (19852104510).

Almost surely, 2^210221022122 is an apocalyptic number.

210221022122 is a deficient number, since it is larger than the sum of its proper divisors (107412650038).

210221022122 is a wasteful number, since it uses less digits than its factorization.

210221022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001125.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210221022122 its reverse (221220122012), we get a palindrome (431441144134).

The spelling of 210221022122 in words is "two hundred ten billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty-two".