210011009922 has 36 divisors (see below), whose sum is σ = 529313466006. Its totient is φ = 60003145440.

The previous prime is 210011009903. The next prime is 210011009977. The reversal of 210011009922 is 229900110012.

It can be written as a sum of positive squares in only one way, i.e., 191142965601 + 18868044321 = 437199^2 + 137361^2 .

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 17 ways as a sum of consecutive naturals, for example, 119052979 + ... + 119054742.

Almost surely, 2^210011009922 is an apocalyptic number.

210011009922 is an abundant number, since it is smaller than the sum of its proper divisors (319302456084).

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

210011009922 is a wasteful number, since it uses less digits than its factorization.

210011009922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238107743 (or 238107733 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

Adding to 210011009922 its reverse (229900110012), we get a palindrome (439911119934).

The spelling of 210011009922 in words is "two hundred ten billion, eleven million, nine thousand, nine hundred twenty-two".