2002000010281 has 4 divisors (see below), whose sum is σ = 2002055508052. Its totient is φ = 2001944512512.

The previous prime is 2002000010251. The next prime is 2002000010291. The reversal of 2002000010281 is 1820100002002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141752250000 + 1860247760281 = 376500^2 + 1363909^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002000010281 - 2⁵ = 2002000010249 is a prime.

It is a super-2 number, since 2×2002000010281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002000010201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27694740 + ... + 27766933.

It is an arithmetic number, because the mean of its divisors is an integer number (500513877013).

Almost surely, 2^{2002000010281} is an apocalyptic number.

It is an amenable number.

2002000010281 is a deficient number, since it is larger than the sum of its proper divisors (55497771).

2002000010281 is an equidigital number, since it uses as much as digits as its factorization.

2002000010281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55497770.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2002000010281 its reverse (1820100002002), we get a palindrome (3822100012283).

The spelling of 2002000010281 in words is "two trillion, two billion, ten thousand, two hundred eighty-one".