210111022122202 has 8 divisors (see below), whose sum is σ = 315169615712916. Its totient is φ = 105054483551232.

The previous prime is 210111022122187. The next prime is 210111022122247. The reversal of 210111022122202 is 202221220111012.

It can be written as a sum of positive squares in 2 ways, for example, as 210088182147561 + 22839974641 = 14494419^2 + 151129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 210111022122202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513499303 + ... + 513908314.

Almost surely, 2^{210111022122202} is an apocalyptic number.

210111022122202 is a deficient number, since it is larger than the sum of its proper divisors (105058593590714).

210111022122202 is a wasteful number, since it uses less digits than its factorization.

210111022122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027509872.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210111022122202 its reverse (202221220111012), we get a palindrome (412332242233214).

The spelling of 210111022122202 in words is "two hundred ten trillion, one hundred eleven billion, twenty-two million, one hundred twenty-two thousand, two hundred two".