201321320110 has 32 divisors (see below), whose sum is σ = 369194343264. Its totient is φ = 79020144000.

The previous prime is 201321320089. The next prime is 201321320111. The reversal of 201321320110 is 11023123102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201321320111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135156 + ... + 648775.

It is an arithmetic number, because the mean of its divisors is an integer number (11537323227).

Almost surely, 2^201321320110 is an apocalyptic number.

201321320110 is a deficient number, since it is larger than the sum of its proper divisors (167873023154).

201321320110 is a wasteful number, since it uses less digits than its factorization.

201321320110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784420.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201321320110 its reverse (11023123102), we get a palindrome (212344443212).

The spelling of 201321320110 in words is "two hundred one billion, three hundred twenty-one million, three hundred twenty thousand, one hundred ten".