210100202002 has 4 divisors (see below), whose sum is σ = 315150303006. Its totient is φ = 105050101000.

The previous prime is 210100201991. The next prime is 210100202009. The reversal of 210100202002 is 200202001012.

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., 176953994281 + 33146207721 = 420659^2 + 182061^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210100202002.

It is not an unprimeable number, because it can be changed into a prime (210100202009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52525050499 + ... + 52525050502.

Almost surely, 2^210100202002 is an apocalyptic number.

210100202002 is a deficient number, since it is larger than the sum of its proper divisors (105050101004).

210100202002 is a wasteful number, since it uses less digits than its factorization.

210100202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105050101003.

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

Adding to 210100202002 its reverse (200202001012), we get a palindrome (410302203014).

The spelling of 210100202002 in words is "two hundred ten billion, one hundred million, two hundred two thousand, two".