200100012111 has 12 divisors (see below), whose sum is σ = 293932221960. Its totient is φ = 131138990640.

The previous prime is 200100012107. The next prime is 200100012163. The reversal of 200100012111 is 111210001002.

It is a happy number.

It is not a de Polignac number, because 200100012111 - 2² = 200100012107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200100012093 and 200100012102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200100002111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188417560 + ... + 188418621.

It is an arithmetic number, because the mean of its divisors is an integer number (24494351830).

Almost surely, 2^200100012111 is an apocalyptic number.

200100012111 is a deficient number, since it is larger than the sum of its proper divisors (93832209849).

200100012111 is a wasteful number, since it uses less digits than its factorization.

200100012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376836246 (or 376836243 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 200100012111 its reverse (111210001002), we get a palindrome (311310013113).

The spelling of 200100012111 in words is "two hundred billion, one hundred million, twelve thousand, one hundred eleven".