2100101208 has 32 divisors (see below), whose sum is σ = 5252914800. Its totient is φ = 699678848.

The previous prime is 2100101191. The next prime is 2100101243. The reversal of 2100101208 is 8021010012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28510 + ... + 70802.

Almost surely, 2^2100101208 is an apocalyptic number.

It is an amenable number.

2100101208 is an abundant number, since it is smaller than the sum of its proper divisors (3152813592).

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

2100101208 is a wasteful number, since it uses less digits than its factorization.

2100101208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44371 (or 44367 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2100101208 is about 45826.8612060656. The cubic root of 2100101208 is about 1280.5997368564.

The spelling of 2100101208 in words is "two billion, one hundred million, one hundred one thousand, two hundred eight".