201100008 has 16 divisors (see below), whose sum is σ = 502750080. Its totient is φ = 67033328.

The previous prime is 201100001. The next prime is 201100013. The reversal of 201100008 is 800001102.

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 = 201099966 and 201100002.

It is not an unprimeable number, because it can be changed into a prime (201100001) 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, 4189560 + ... + 4189607.

It is an arithmetic number, because the mean of its divisors is an integer number (31421880).

Almost surely, 2^201100008 is an apocalyptic number.

It is an amenable number.

201100008 is an abundant number, since it is smaller than the sum of its proper divisors (301650072).

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

201100008 is a wasteful number, since it uses less digits than its factorization.

201100008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379176 (or 8379172 counting only the distinct ones).

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

The square root of 201100008 is about 14180.9734503665. The cubic root of 201100008 is about 585.8737356432.

The spelling of 201100008 in words is "two hundred one million, one hundred thousand, eight".