200100202021 has 8 divisors (see below), whose sum is σ = 201332332800. Its totient is φ = 198871362480.

The previous prime is 200100202013. The next prime is 200100202031. The reversal of 200100202021 is 120202001002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200100202021 - 2³ = 200100202013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200100201989 and 200100202007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200100202031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700785 + ... + 944086.

It is an arithmetic number, because the mean of its divisors is an integer number (25166541600).

Almost surely, 2^200100202021 is an apocalyptic number.

It is an amenable number.

200100202021 is a deficient number, since it is larger than the sum of its proper divisors (1232130779).

200100202021 is a wasteful number, since it uses less digits than its factorization.

200100202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645619.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200100202021 its reverse (120202001002), we get a palindrome (320302203023).

The spelling of 200100202021 in words is "two hundred billion, one hundred million, two hundred two thousand, twenty-one".