210122202112 has 88 divisors (see below), whose sum is σ = 459095264640. Its totient is φ = 95691079680.

The previous prime is 210122202079. The next prime is 210122202113. The reversal of 210122202112 is 211202221012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122202113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344964 + ... + 734332.

Almost surely, 2^210122202112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210122202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229547632320).

210122202112 is an abundant number, since it is smaller than the sum of its proper divisors (248973062528).

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

210122202112 is a wasteful number, since it uses less digits than its factorization.

210122202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389437 (or 389419 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210122202112 its reverse (211202221012), we get a palindrome (421324423124).

The spelling of 210122202112 in words is "two hundred ten billion, one hundred twenty-two million, two hundred two thousand, one hundred twelve".