200061211321 has 4 divisors (see below), whose sum is σ = 200325493732. Its totient is φ = 199796928912.

The previous prime is 200061211319. The next prime is 200061211391. The reversal of 200061211321 is 123112160002.

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 106403178025 + 93658033296 = 326195^2 + 306036^2 .

It is a cyclic number.

It is not a de Polignac number, because 200061211321 - 2¹ = 200061211319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200061211391) 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, 132140070 + ... + 132141583.

It is an arithmetic number, because the mean of its divisors is an integer number (50081373433).

Almost surely, 2^200061211321 is an apocalyptic number.

It is an amenable number.

200061211321 is a deficient number, since it is larger than the sum of its proper divisors (264282411).

200061211321 is an equidigital number, since it uses as much as digits as its factorization.

200061211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264282410.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 200061211321 its reverse (123112160002), we get a palindrome (323173371323).

The spelling of 200061211321 in words is "two hundred billion, sixty-one million, two hundred eleven thousand, three hundred twenty-one".