206100100111101 has 16 divisors (see below), whose sum is σ = 332531253961344. Its totient is φ = 110843751320064.

The previous prime is 206100100111093. The next prime is 206100100111123. The reversal of 206100100111101 is 101111001001602.

It is not a de Polignac number, because 206100100111101 - 2³ = 206100100111093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206100100111201) 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, 288655602040 + ... + 288655602753.

It is an arithmetic number, because the mean of its divisors is an integer number (20783203372584).

Almost surely, 2^{206100100111101} is an apocalyptic number.

206100100111101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

206100100111101 is a deficient number, since it is larger than the sum of its proper divisors (126431153850243).

206100100111101 is a wasteful number, since it uses less digits than its factorization.

206100100111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577311204820.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 206100100111101 its reverse (101111001001602), we get a palindrome (307211101112703).

The spelling of 206100100111101 in words is "two hundred six trillion, one hundred billion, one hundred million, one hundred eleven thousand, one hundred one".