2102031120210 has 96 divisors (see below), whose sum is σ = 5872640304960. Its totient is φ = 480127552128.

The previous prime is 2102031120187. The next prime is 2102031120347. The reversal of 2102031120210 is 120211302012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2102031120210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1600297 + ... + 2600963.

It is an arithmetic number, because the mean of its divisors is an integer number (61173336510).

Almost surely, 2^{2102031120210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102031120210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2936320152480).

2102031120210 is an abundant number, since it is smaller than the sum of its proper divisors (3770609184750).

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

2102031120210 is a wasteful number, since it uses less digits than its factorization.

2102031120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002120 (or 1002113 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2102031120210 its reverse (120211302012), we get a palindrome (2222242422222).

The spelling of 2102031120210 in words is "two trillion, one hundred two billion, thirty-one million, one hundred twenty thousand, two hundred ten".