200000002120101 has 12 divisors (see below), whose sum is σ = 288922731688812. Its totient is φ = 133317716406336.

The previous prime is 200000002120099. The next prime is 200000002120151. The reversal of 200000002120101 is 101021200000002.

It can be written as a sum of positive squares in 2 ways, for example, as 191630697769476 + 8369304350625 = 13843074^2 + 2892975^2 .

It is not a de Polignac number, because 200000002120101 - 2¹ = 200000002120099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000002120151) 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 11 ways as a sum of consecutive naturals, for example, 1301447266 + ... + 1301600931.

It is an arithmetic number, because the mean of its divisors is an integer number (24076894307401).

Almost surely, 2^{200000002120101} is an apocalyptic number.

It is an amenable number.

200000002120101 is a deficient number, since it is larger than the sum of its proper divisors (88922729568711).

200000002120101 is a wasteful number, since it uses less digits than its factorization.

200000002120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603056740 (or 2603056737 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200000002120101 its reverse (101021200000002), we get a palindrome (301021202120103).

The spelling of 200000002120101 in words is "two hundred trillion, two million, one hundred twenty thousand, one hundred one".