210102002000 has 80 divisors (see below), whose sum is σ = 554210938944. Its totient is φ = 76400720000.

The previous prime is 210102001933. The next prime is 210102002003. The reversal of 210102002000 is 200201012.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210102002003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4753046 + ... + 4797045.

Almost surely, 2^210102002000 is an apocalyptic number.

210102002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210102002000 is an abundant number, since it is smaller than the sum of its proper divisors (344108936944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210102002000 is a wasteful number, since it uses less digits than its factorization.

210102002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550125 (or 9550109 counting only the distinct ones).

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

Adding to 210102002000 its reverse (200201012), we get a palindrome (210302203012).

The spelling of 210102002000 in words is "two hundred ten billion, one hundred two million, two thousand".