210201221202112 has 56 divisors (see below), whose sum is σ = 477768048170400. Its totient is φ = 89885600071680.

The previous prime is 210201221202103. The next prime is 210201221202131. The reversal of 210201221202112 is 211202122102012.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 210201221202112.

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, 522292339 + ... + 522694642.

Almost surely, 2^{210201221202112} is an apocalyptic number.

It is an amenable number.

210201221202112 is an abundant number, since it is smaller than the sum of its proper divisors (267566826968288).

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

210201221202112 is a wasteful number, since it uses less digits than its factorization.

210201221202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044987449 (or 1044987439 counting only the distinct ones).

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

Adding to 210201221202112 its reverse (211202122102012), we get a palindrome (421403343304124).

The spelling of 210201221202112 in words is "two hundred ten trillion, two hundred one billion, two hundred twenty-one million, two hundred two thousand, one hundred twelve".