210211202202112 has 20 divisors (see below), whose sum is σ = 420011835650946. Its totient is φ = 105105601100800.

The previous prime is 210211202202103. The next prime is 210211202202139. The reversal of 210211202202112 is 211202202112012.

It can be written as a sum of positive squares in only one way, i.e., 208870015856896 + 1341186345216 = 14452336^2 + 1158096^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210211202202112.

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 as a sum of consecutive naturals, namely, 205284376639 + ... + 205284377662.

Almost surely, 2^{210211202202112} is an apocalyptic number.

It is an amenable number.

210211202202112 is a deficient number, since it is larger than the sum of its proper divisors (209800633448834).

210211202202112 is an frugal number, since it uses more digits than its factorization.

210211202202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410568754319 (or 410568754303 counting only the distinct ones).

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

Adding to 210211202202112 its reverse (211202202112012), we get a palindrome (421413404314124).

The spelling of 210211202202112 in words is "two hundred ten trillion, two hundred eleven billion, two hundred two million, two hundred two thousand, one hundred twelve".