200012100211111 has 4 divisors (see below), whose sum is σ = 200019398085792. Its totient is φ = 200004802336432.

The previous prime is 200012100211087. The next prime is 200012100211163. The reversal of 200012100211111 is 111112001210002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200012100211111 - 2²⁷ = 200011965993383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200012100211091 and 200012100211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012100211181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3648896230 + ... + 3648951043.

It is an arithmetic number, because the mean of its divisors is an integer number (50004849521448).

Almost surely, 2^{200012100211111} is an apocalyptic number.

200012100211111 is a deficient number, since it is larger than the sum of its proper divisors (7297874681).

200012100211111 is an equidigital number, since it uses as much as digits as its factorization.

200012100211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297874680.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 200012100211111 its reverse (111112001210002), we get a palindrome (311124101421113).

The spelling of 200012100211111 in words is "two hundred trillion, twelve billion, one hundred million, two hundred eleven thousand, one hundred eleven".