210002202102122 has 8 divisors (see below), whose sum is σ = 315010971881796. Its totient is φ = 104998544808192.

The previous prime is 210002202102107. The next prime is 210002202102211. The reversal of 210002202102122 is 221201202200012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 134806752218161 + 75195449883961 = 11610631^2 + 8671531^2 .

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 210002202102122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278018743 + ... + 1278183050.

Almost surely, 2^{210002202102122} is an apocalyptic number.

210002202102122 is a deficient number, since it is larger than the sum of its proper divisors (105008769779674).

210002202102122 is a wasteful number, since it uses less digits than its factorization.

210002202102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556242872.

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

Adding to 210002202102122 its reverse (221201202200012), we get a palindrome (431203404302134).

The spelling of 210002202102122 in words is "two hundred ten trillion, two billion, two hundred two million, one hundred two thousand, one hundred twenty-two".