200111120203 has 4 divisors (see below), whose sum is σ = 200135891448. Its totient is φ = 200086348960.

The previous prime is 200111120191. The next prime is 200111120267. The reversal of 200111120203 is 302021111002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200111120203 is a prime.

It is a super-2 number, since 2×200111120203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200111190203) 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 3 ways as a sum of consecutive naturals, for example, 12373501 + ... + 12389662.

It is an arithmetic number, because the mean of its divisors is an integer number (50033972862).

Almost surely, 2^200111120203 is an apocalyptic number.

200111120203 is a deficient number, since it is larger than the sum of its proper divisors (24771245).

200111120203 is an equidigital number, since it uses as much as digits as its factorization.

200111120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24771244.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 200111120203 its reverse (302021111002), we get a palindrome (502132231205).

The spelling of 200111120203 in words is "two hundred billion, one hundred eleven million, one hundred twenty thousand, two hundred three".