200200120021 has 16 divisors (see below), whose sum is σ = 220187404800. Its totient is φ = 180512233200.

The previous prime is 200200120019. The next prime is 200200120049. The reversal of 200200120021 is 120021002002.

It is a cyclic number.

It is not a de Polignac number, because 200200120021 - 2¹ = 200200120019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200120621) 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 15 ways as a sum of consecutive naturals, for example, 2670670 + ... + 2744608.

It is an arithmetic number, because the mean of its divisors is an integer number (13761712800).

Almost surely, 2^200200120021 is an apocalyptic number.

It is an amenable number.

200200120021 is a deficient number, since it is larger than the sum of its proper divisors (19987284779).

200200120021 is a wasteful number, since it uses less digits than its factorization.

200200120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75960.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200200120021 its reverse (120021002002), we get a palindrome (320221122023).

The spelling of 200200120021 in words is "two hundred billion, two hundred million, one hundred twenty thousand, twenty-one".