1002002100202 has 8 divisors (see below), whose sum is σ = 1507744486116. Its totient is φ = 499420604832.

The previous prime is 1002002100193. The next prime is 1002002100251. The reversal of 1002002100202 is 2020012002001.

It can be written as a sum of positive squares in 2 ways, for example, as 992093689521 + 9908410681 = 996039^2 + 99541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790221843 + ... + 790223110.

Almost surely, 2^{1002002100202} is an apocalyptic number.

1002002100202 is a deficient number, since it is larger than the sum of its proper divisors (505742385914).

1002002100202 is a wasteful number, since it uses less digits than its factorization.

1002002100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580445272.

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

Adding to 1002002100202 its reverse (2020012002001), we get a palindrome (3022014102203).

The spelling of 1002002100202 in words is "one trillion, two billion, two million, one hundred thousand, two hundred two".