200021323101 has 4 divisors (see below), whose sum is σ = 266695097472. Its totient is φ = 133347548732.

The previous prime is 200021323091. The next prime is 200021323147. The reversal of 200021323101 is 101323120002.

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 200021323101 - 2¹⁴ = 200021306717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021323181) 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, 33336887181 + ... + 33336887186.

It is an arithmetic number, because the mean of its divisors is an integer number (66673774368).

Almost surely, 2^200021323101 is an apocalyptic number.

It is an amenable number.

200021323101 is a deficient number, since it is larger than the sum of its proper divisors (66673774371).

200021323101 is an equidigital number, since it uses as much as digits as its factorization.

200021323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66673774370.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 200021323101 its reverse (101323120002), we get a palindrome (301344443103).

The spelling of 200021323101 in words is "two hundred billion, twenty-one million, three hundred twenty-three thousand, one hundred one".