200212102121021 has 8 divisors (see below), whose sum is σ = 200475802000320. Its totient is φ = 199948410934272.

The previous prime is 200212102120861. The next prime is 200212102121029. The reversal of 200212102121021 is 120121201212002.

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 200212102121021 - 2²² = 200212097926717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212102121029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44584376 + ... + 48869118.

It is an arithmetic number, because the mean of its divisors is an integer number (25059475250040).

Almost surely, 2^{200212102121021} is an apocalyptic number.

It is an amenable number.

200212102121021 is a deficient number, since it is larger than the sum of its proper divisors (263699879299).

200212102121021 is an equidigital number, since it uses as much as digits as its factorization.

200212102121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346275.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200212102121021 its reverse (120121201212002), we get a palindrome (320333303333023).

The spelling of 200212102121021 in words is "two hundred trillion, two hundred twelve billion, one hundred two million, one hundred twenty-one thousand, twenty-one".