210201201012122 has 16 divisors (see below), whose sum is σ = 315473597548200. Its totient is φ = 105043336888320.

The previous prime is 210201201012113. The next prime is 210201201012239. The reversal of 210201201012122 is 221210102102012.

It can be written as a sum of positive squares in 4 ways, for example, as 197292335274241 + 12908865737881 = 14046079^2 + 3592891^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210201201012122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265504154 + ... + 266294682.

Almost surely, 2^{210201201012122} is an apocalyptic number.

210201201012122 is a deficient number, since it is larger than the sum of its proper divisors (105272396536078).

210201201012122 is a wasteful number, since it uses less digits than its factorization.

210201201012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862801.

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

Adding to 210201201012122 its reverse (221210102102012), we get a palindrome (431411303114134).

The spelling of 210201201012122 in words is "two hundred ten trillion, two hundred one billion, two hundred one million, twelve thousand, one hundred twenty-two".