201100110001 has 16 divisors (see below), whose sum is σ = 230877853696. Its totient is φ = 171586383696.

The previous prime is 201100109999. The next prime is 201100110011. The reversal of 201100110001 is 100011001102.

It is not a de Polignac number, because 201100110001 - 2¹ = 201100109999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (201100110011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1333690 + ... + 1476796.

It is an arithmetic number, because the mean of its divisors is an integer number (14429865856).

Almost surely, 2^201100110001 is an apocalyptic number.

It is an amenable number.

201100110001 is a deficient number, since it is larger than the sum of its proper divisors (29777743695).

201100110001 is a wasteful number, since it uses less digits than its factorization.

201100110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144028.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 201100110001 its reverse (100011001102), we get a palindrome (301111111103).

The spelling of 201100110001 in words is "two hundred one billion, one hundred million, one hundred ten thousand, one".