2102104140210 has 96 divisors (see below), whose sum is σ = 5559742354608. Its totient is φ = 550907688960.

The previous prime is 2102104140161. The next prime is 2102104140221. The reversal of 2102104140210 is 120414012012.

2102104140210 is a `hidden beast` number, since 2 + 1 + 0 + 210 + 41 + 402 + 10 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 424672485561 + 1677431654649 = 651669^2 + 1295157^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6389094 + ... + 6710046.

Almost surely, 2^{2102104140210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102104140210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2779871177304).

2102104140210 is an abundant number, since it is smaller than the sum of its proper divisors (3457638214398).

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

2102104140210 is a wasteful number, since it uses less digits than its factorization.

2102104140210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322220 (or 322217 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2102104140210 its reverse (120414012012), we get a palindrome (2222518152222).

The spelling of 2102104140210 in words is "two trillion, one hundred two billion, one hundred four million, one hundred forty thousand, two hundred ten".