200221211021 has 8 divisors (see below), whose sum is σ = 217268820384. Its totient is φ = 183408741360.

The previous prime is 200221210963. The next prime is 200221211023. The reversal of 200221211021 is 120112122002.

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

It is not a de Polignac number, because 200221211021 - 2¹⁰ = 200221209997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200221210987 and 200221211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221211023) 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, 58783151 + ... + 58786556.

It is an arithmetic number, because the mean of its divisors is an integer number (27158602548).

Almost surely, 2^200221211021 is an apocalyptic number.

It is an amenable number.

200221211021 is a deficient number, since it is larger than the sum of its proper divisors (17047609363).

200221211021 is a wasteful number, since it uses less digits than its factorization.

200221211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117569851.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200221211021 its reverse (120112122002), we get a palindrome (320333333023).

The spelling of 200221211021 in words is "two hundred billion, two hundred twenty-one million, two hundred eleven thousand, twenty-one".