680601120211 has 4 divisors (see below), whose sum is σ = 680604418800. Its totient is φ = 680597821624.

The previous prime is 680601120209. The next prime is 680601120223. The reversal of 680601120211 is 112021106086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680601120211 - 2¹ = 680601120209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680601120211.

It is not an unprimeable number, because it can be changed into a prime (680601120271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317556 + ... + 1759873.

It is an arithmetic number, because the mean of its divisors is an integer number (170151104700).

Almost surely, 2^680601120211 is an apocalyptic number.

680601120211 is a deficient number, since it is larger than the sum of its proper divisors (3298589).

680601120211 is a wasteful number, since it uses less digits than its factorization.

680601120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298588.

The product of its (nonzero) digits is 1152, while the sum is 28.

Adding to 680601120211 its reverse (112021106086), we get a palindrome (792622226297).

The spelling of 680601120211 in words is "six hundred eighty billion, six hundred one million, one hundred twenty thousand, two hundred eleven".