2100105566650 has 48 divisors (see below), whose sum is σ = 4807626292224. Its totient is φ = 664648793280.

The previous prime is 2100105566641. The next prime is 2100105566701. The reversal of 2100105566650 is 566655010012.

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 23 ways as a sum of consecutive naturals, for example, 230776282 + ... + 230785381.

It is an arithmetic number, because the mean of its divisors is an integer number (100158881088).

Almost surely, 2^{2100105566650} is an apocalyptic number.

2100105566650 is an abundant number, since it is smaller than the sum of its proper divisors (2707520725574).

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

2100105566650 is a wasteful number, since it uses less digits than its factorization.

2100105566650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461561695 (or 461561690 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 2100105566650 in words is "two trillion, one hundred billion, one hundred five million, five hundred sixty-six thousand, six hundred fifty".