211600321400641 has 4 divisors (see below), whose sum is σ = 211606476006484. Its totient is φ = 211594166794800.

The previous prime is 211600321400609. The next prime is 211600321400647. The reversal of 211600321400641 is 146004123006112.

211600321400641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 99784416316225 + 111815905084416 = 9989215^2 + 10574304^2 .

It is a cyclic number.

It is not a de Polignac number, because 211600321400641 - 2⁵ = 211600321400609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211600321400647) 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, 3077251350 + ... + 3077320111.

It is an arithmetic number, because the mean of its divisors is an integer number (52901619001621).

Almost surely, 2^{211600321400641} is an apocalyptic number.

It is an amenable number.

211600321400641 is a deficient number, since it is larger than the sum of its proper divisors (6154605843).

211600321400641 is an equidigital number, since it uses as much as digits as its factorization.

211600321400641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6154605842.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 211600321400641 its reverse (146004123006112), we get a palindrome (357604444406753).

The spelling of 211600321400641 in words is "two hundred eleven trillion, six hundred billion, three hundred twenty-one million, four hundred thousand, six hundred forty-one".