10002100202 has 4 divisors (see below), whose sum is σ = 15003150306. Its totient is φ = 5001050100.

The previous prime is 10002100187. The next prime is 10002100219. The reversal of 10002100202 is 20200120001.

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

It can be written as a sum of positive squares in only one way, i.e., 7928299681 + 2073800521 = 89041^2 + 45539^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10002100202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500525049 + ... + 2500525052.

Almost surely, 2^10002100202 is an apocalyptic number.

10002100202 is a deficient number, since it is larger than the sum of its proper divisors (5001050104).

10002100202 is an equidigital number, since it uses as much as digits as its factorization.

10002100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001050103.

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

Adding to 10002100202 its reverse (20200120001), we get a palindrome (30202220203).

The spelling of 10002100202 in words is "ten billion, two million, one hundred thousand, two hundred two".