201100200120101 has 16 divisors (see below), whose sum is σ = 204009908947200. Its totient is φ = 198199750676928.

The previous prime is 201100200120059. The next prime is 201100200120121. The reversal of 201100200120101 is 101021002001102.

It is a cyclic number.

It is not a de Polignac number, because 201100200120101 - 2¹⁸ = 201100199857957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100200120121) 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, 201568670 + ... + 202563888.

It is an arithmetic number, because the mean of its divisors is an integer number (12750619309200).

Almost surely, 2^{201100200120101} is an apocalyptic number.

It is an amenable number.

201100200120101 is a deficient number, since it is larger than the sum of its proper divisors (2909708827099).

201100200120101 is an equidigital number, since it uses as much as digits as its factorization.

201100200120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999868.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201100200120101 its reverse (101021002001102), we get a palindrome (302121202121203).

The spelling of 201100200120101 in words is "two hundred one trillion, one hundred billion, two hundred million, one hundred twenty thousand, one hundred one".