210100010002 has 4 divisors (see below), whose sum is σ = 315150015006. Its totient is φ = 105050005000.

The previous prime is 210100009927. The next prime is 210100010009. The reversal of 210100010002 is 200010001012.

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., 205363955241 + 4736054761 = 453171^2 + 68819^2 .

It is not an unprimeable number, because it can be changed into a prime (210100010009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52525002499 + ... + 52525002502.

Almost surely, 2^210100010002 is an apocalyptic number.

210100010002 is a deficient number, since it is larger than the sum of its proper divisors (105050005004).

210100010002 is a wasteful number, since it uses less digits than its factorization.

210100010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105050005003.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 210100010002 its reverse (200010001012), we get a palindrome (410110011014).

The spelling of 210100010002 in words is "two hundred ten billion, one hundred million, ten thousand, two".