200221011010021 has 8 divisors (see below), whose sum is σ = 207125678880000. Its totient is φ = 193316376145200.

The previous prime is 200221011009959. The next prime is 200221011010037. The reversal of 200221011010021 is 120010110122002.

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 200221011010021 - 2²³ = 200221002621413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200221011009983 and 200221011010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221011010121) 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, 4420480 + ... + 20493478.

It is an arithmetic number, because the mean of its divisors is an integer number (25890709860000).

Almost surely, 2^{200221011010021} is an apocalyptic number.

It is an amenable number.

200221011010021 is a deficient number, since it is larger than the sum of its proper divisors (6904667869979).

200221011010021 is a wasteful number, since it uses less digits than its factorization.

200221011010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16502579.

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

Adding to 200221011010021 its reverse (120010110122002), we get a palindrome (320231121132023).

The spelling of 200221011010021 in words is "two hundred trillion, two hundred twenty-one billion, eleven million, ten thousand, twenty-one".