200100222010021 has 16 divisors (see below), whose sum is σ = 210657740041728. Its totient is φ = 189820790049600.

The previous prime is 200100222010001. The next prime is 200100222010043. The reversal of 200100222010021 is 120010222001002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200100222010021 - 2⁷ = 200100222009893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200100222009983 and 200100222010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200100222010001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180021271 + ... + 181129396.

It is an arithmetic number, because the mean of its divisors is an integer number (13166108752608).

Almost surely, 2^{200100222010021} is an apocalyptic number.

It is an amenable number.

200100222010021 is a deficient number, since it is larger than the sum of its proper divisors (10557518031707).

200100222010021 is a wasteful number, since it uses less digits than its factorization.

200100222010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361151052.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200100222010021 its reverse (120010222001002), we get a palindrome (320110444011023).

The spelling of 200100222010021 in words is "two hundred trillion, one hundred billion, two hundred twenty-two million, ten thousand, twenty-one".