210100021000202 has 16 divisors (see below), whose sum is σ = 315204263785320. Its totient is φ = 105031933820352.

The previous prime is 210100021000183. The next prime is 210100021000241. The reversal of 210100021000202 is 202000120001012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 208899355129201 + 1200665871001 = 14453351^2 + 1095749^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659311124 + ... + 659629712.

Almost surely, 2^{210100021000202} is an apocalyptic number.

210100021000202 is a deficient number, since it is larger than the sum of its proper divisors (105104242785118).

210100021000202 is a wasteful number, since it uses less digits than its factorization.

210100021000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374297.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210100021000202 its reverse (202000120001012), we get a palindrome (412100141001214).

The spelling of 210100021000202 in words is "two hundred ten trillion, one hundred billion, twenty-one million, two hundred two", and thus it is an aban number.