201100000008 has 32 divisors (see below), whose sum is σ = 502955602560. Its totient is φ = 67005919680.

The previous prime is 201100000001. The next prime is 201100000027. The reversal of 201100000008 is 800000001102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201099999939 and 201100000002.

It is not an unprimeable number, because it can be changed into a prime (201100000001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653403 + ... + 1770858.

It is an arithmetic number, because the mean of its divisors is an integer number (15717362580).

Almost surely, 2^201100000008 is an apocalyptic number.

It is an amenable number.

201100000008 is an abundant number, since it is smaller than the sum of its proper divisors (301855602552).

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

201100000008 is a wasteful number, since it uses less digits than its factorization.

201100000008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426717 (or 3426713 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The spelling of 201100000008 in words is "two hundred one billion, one hundred million, eight", and thus it is an aban number.