201100120001 has 8 divisors (see below), whose sum is σ = 220173945024. Its totient is φ = 182158294320.

The previous prime is 201100119989. The next prime is 201100120003. The reversal of 201100120001 is 100021001102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201100120001 - 2³⁴ = 183920250817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201100120003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32996645 + ... + 33002738.

It is an arithmetic number, because the mean of its divisors is an integer number (27521743128).

Almost surely, 2^201100120001 is an apocalyptic number.

It is an amenable number.

201100120001 is a deficient number, since it is larger than the sum of its proper divisors (19073825023).

201100120001 is a wasteful number, since it uses less digits than its factorization.

201100120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65999671.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 201100120001 its reverse (100021001102), we get a palindrome (301121121103).

The spelling of 201100120001 in words is "two hundred one billion, one hundred million, one hundred twenty thousand, one".