2001101208 has 16 divisors (see below), whose sum is σ = 5002753080. Its totient is φ = 667033728.

The previous prime is 2001101189. The next prime is 2001101209. The reversal of 2001101208 is 8021011002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001101209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41689585 + ... + 41689632.

Almost surely, 2^2001101208 is an apocalyptic number.

It is an amenable number.

2001101208 is an abundant number, since it is smaller than the sum of its proper divisors (3001651872).

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

2001101208 is a wasteful number, since it uses less digits than its factorization.

2001101208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83379226 (or 83379222 counting only the distinct ones).

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

The square root of 2001101208 is about 44733.6697354465. The cubic root of 2001101208 is about 1260.1522466574.

The spelling of 2001101208 in words is "two billion, one million, one hundred one thousand, two hundred eight".