201011332321321 has 4 divisors (see below), whose sum is σ = 201014494979200. Its totient is φ = 201008169663444.

The previous prime is 201011332321313. The next prime is 201011332321339. The reversal of 201011332321321 is 123123233110102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201011332321321 - 2³ = 201011332321313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201011332361321) 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, 1581233601 + ... + 1581360718.

It is an arithmetic number, because the mean of its divisors is an integer number (50253623744800).

Almost surely, 2^{201011332321321} is an apocalyptic number.

It is an amenable number.

201011332321321 is a deficient number, since it is larger than the sum of its proper divisors (3162657879).

201011332321321 is an equidigital number, since it uses as much as digits as its factorization.

201011332321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162657878.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 201011332321321 its reverse (123123233110102), we get a palindrome (324134565431423).

The spelling of 201011332321321 in words is "two hundred one trillion, eleven billion, three hundred thirty-two million, three hundred twenty-one thousand, three hundred twenty-one".