200021021120101 has 4 divisors (see below), whose sum is σ = 200025508053600. Its totient is φ = 200016534186604.

The previous prime is 200021021120017. The next prime is 200021021120159. The reversal of 200021021120101 is 101021120120002.

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 200021021120101 - 2⁹ = 200021021119589 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 (200021021120191) 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, 2243399881 + ... + 2243489038.

It is an arithmetic number, because the mean of its divisors is an integer number (50006377013400).

Almost surely, 2^{200021021120101} is an apocalyptic number.

It is an amenable number.

200021021120101 is a deficient number, since it is larger than the sum of its proper divisors (4486933499).

200021021120101 is an equidigital number, since it uses as much as digits as its factorization.

200021021120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486933498.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200021021120101 its reverse (101021120120002), we get a palindrome (301042141240103).

The spelling of 200021021120101 in words is "two hundred trillion, twenty-one billion, twenty-one million, one hundred twenty thousand, one hundred one".