201111200001101 has 16 divisors (see below), whose sum is σ = 223460994274560. Its totient is φ = 179832895295040.

The previous prime is 201111200001067. The next prime is 201111200001119. The reversal of 201111200001101 is 101100002111102.

It is not a de Polignac number, because 201111200001101 - 2²² = 201111195806797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111200001161) 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, 1847341355 + ... + 1847450216.

It is an arithmetic number, because the mean of its divisors is an integer number (13966312142160).

Almost surely, 2^{201111200001101} is an apocalyptic number.

It is an amenable number.

201111200001101 is a deficient number, since it is larger than the sum of its proper divisors (22349794273459).

201111200001101 is a wasteful number, since it uses less digits than its factorization.

201111200001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694791716.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201111200001101 its reverse (101100002111102), we get a palindrome (302211202112203).

The spelling of 201111200001101 in words is "two hundred one trillion, one hundred eleven billion, two hundred million, one thousand, one hundred one".