200113100221 has 4 divisors (see below), whose sum is σ = 200120696092. Its totient is φ = 200105504352.

The previous prime is 200113100137. The next prime is 200113100233. The reversal of 200113100221 is 122001311002.

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 177758364996 + 22354735225 = 421614^2 + 149515^2 .

It is a cyclic number.

It is not a de Polignac number, because 200113100221 - 2⁹ = 200113099709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200113170221) 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, 3758280 + ... + 3811153.

It is an arithmetic number, because the mean of its divisors is an integer number (50030174023).

Almost surely, 2^200113100221 is an apocalyptic number.

It is an amenable number.

200113100221 is a deficient number, since it is larger than the sum of its proper divisors (7595871).

200113100221 is an equidigital number, since it uses as much as digits as its factorization.

200113100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7595870.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 200113100221 its reverse (122001311002), we get a palindrome (322114411223).

The spelling of 200113100221 in words is "two hundred billion, one hundred thirteen million, one hundred thousand, two hundred twenty-one".