200100221021 has 8 divisors (see below), whose sum is σ = 203244432960. Its totient is φ = 196960645728.

The previous prime is 200100221011. The next prime is 200100221033. The reversal of 200100221021 is 120122001002.

It is a happy number.

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 200100221021 - 2²² = 200096026717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200100220993 and 200100221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200100221011) 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, 1072121 + ... + 1244846.

It is an arithmetic number, because the mean of its divisors is an integer number (25405554120).

Almost surely, 2^200100221021 is an apocalyptic number.

It is an amenable number.

200100221021 is a deficient number, since it is larger than the sum of its proper divisors (3144211939).

200100221021 is a wasteful number, since it uses less digits than its factorization.

200100221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318323.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200100221021 its reverse (120122001002), we get a palindrome (320222222023).

The spelling of 200100221021 in words is "two hundred billion, one hundred million, two hundred twenty-one thousand, twenty-one".