206100100111100 has 72 divisors (see below), whose sum is σ = 481643305772160. Its totient is φ = 76097988852480.

The previous prime is 206100100111093. The next prime is 206100100111123. The reversal of 206100100111100 is 1111001001602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233224886 + ... + 234106914.

Almost surely, 2^{206100100111100} is an apocalyptic number.

206100100111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206100100111100 is an abundant number, since it is smaller than the sum of its proper divisors (275543205661060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206100100111100 is a wasteful number, since it uses less digits than its factorization.

206100100111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061799 (or 1061792 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 206100100111100 its reverse (1111001001602), we get a palindrome (207211101112702).

The spelling of 206100100111100 in words is "two hundred six trillion, one hundred billion, one hundred million, one hundred eleven thousand, one hundred".