200111110101 has 12 divisors (see below), whose sum is σ = 330342150112. Its totient is φ = 114349205736.

The previous prime is 200111110099. The next prime is 200111110109. The reversal of 200111110101 is 101011111002.

It is not a de Polignac number, because 200111110101 - 2¹ = 200111110099 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200111110109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1588183351 + ... + 1588183476.

Almost surely, 2^200111110101 is an apocalyptic number.

200111110101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200111110101 is a deficient number, since it is larger than the sum of its proper divisors (130231040011).

200111110101 is a wasteful number, since it uses less digits than its factorization.

200111110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176366840 (or 3176366837 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 200111110101 its reverse (101011111002), we get a palindrome (301122221103).

Subtracting from 200111110101 its reverse (101011111002), we obtain a palindrome (99099999099).

The spelling of 200111110101 in words is "two hundred billion, one hundred eleven million, one hundred ten thousand, one hundred one".