210122112122 has 32 divisors (see below), whose sum is σ = 340598941200. Its totient is φ = 96645427200.

The previous prime is 210122112071. The next prime is 210122112169. The reversal of 210122112122 is 221211221012.

210122112122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 11198084041 + 198924028081 = 105821^2 + 446009^2 .

It is a super-2 number, since 2×210122112122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210122112122.

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 15 ways as a sum of consecutive naturals, for example, 9947372 + ... + 9968472.

Almost surely, 2^210122112122 is an apocalyptic number.

210122112122 is a deficient number, since it is larger than the sum of its proper divisors (130476829078).

210122112122 is a wasteful number, since it uses less digits than its factorization.

210122112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22418.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210122112122 its reverse (221211221012), we get a palindrome (431333333134).

The spelling of 210122112122 in words is "two hundred ten billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-two".