2010002100 has 36 divisors (see below), whose sum is σ = 5815606944. Its totient is φ = 536000480.

The previous prime is 2010002069. The next prime is 2010002143. The reversal of 2010002100 is 12000102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3349704 + ... + 3350303.

Almost surely, 2^2010002100 is an apocalyptic number.

2010002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010002100 is an abundant number, since it is smaller than the sum of its proper divisors (3805604844).

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

2010002100 is a wasteful number, since it uses less digits than its factorization.

2010002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700024 (or 6700017 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 2010002100 is about 44833.0469631499. The cubic root of 2010002100 is about 1262.0178677284.

Adding to 2010002100 its reverse (12000102), we get a palindrome (2022002202).

It can be divided in two parts, 2010002 and 100, that added together give a palindrome (2010102).

The spelling of 2010002100 in words is "two billion, ten million, two thousand, one hundred".