210200021202122 has 64 divisors (see below), whose sum is σ = 395805679718400. Its totient is φ = 81632568061440.

The previous prime is 210200021202049. The next prime is 210200021202131. The reversal of 210200021202122 is 221202120002012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 210200021202122.

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 31 ways as a sum of consecutive naturals, for example, 510224954 + ... + 510636762.

It is an arithmetic number, because the mean of its divisors is an integer number (6184463745600).

Almost surely, 2^{210200021202122} is an apocalyptic number.

210200021202122 is a deficient number, since it is larger than the sum of its proper divisors (185605658516278).

210200021202122 is a wasteful number, since it uses less digits than its factorization.

210200021202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495291.

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

Adding to 210200021202122 its reverse (221202120002012), we get a palindrome (431402141204134).

The spelling of 210200021202122 in words is "two hundred ten trillion, two hundred billion, twenty-one million, two hundred two thousand, one hundred twenty-two".