2010200121 has 12 divisors (see below), whose sum is σ = 2982099172. Its totient is φ = 1303913376.

The previous prime is 2010200113. The next prime is 2010200131. The reversal of 2010200121 is 1210020102.

It can be written as a sum of positive squares in 2 ways, for example, as 1679360400 + 330839721 = 40980^2 + 18189^2 .

It is not a de Polignac number, because 2010200121 - 2³ = 2010200113 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010200131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3017986 + ... + 3018651.

Almost surely, 2^2010200121 is an apocalyptic number.

It is an amenable number.

2010200121 is a deficient number, since it is larger than the sum of its proper divisors (971899051).

2010200121 is a wasteful number, since it uses less digits than its factorization.

2010200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036680 (or 6036677 counting only the distinct ones).

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

The square root of 2010200121 is about 44835.2553355058. The cubic root of 2010200121 is about 1262.0593101120.

Adding to 2010200121 its reverse (1210020102), we get a palindrome (3220220223).

The spelling of 2010200121 in words is "two billion, ten million, two hundred thousand, one hundred twenty-one".