200112100117 has 2 divisors, whose sum is σ = 200112100118. Its totient is φ = 200112100116.

The previous prime is 200112100087. The next prime is 200112100127. The reversal of 200112100117 is 711001211002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194398100836 + 5713999281 = 440906^2 + 75591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200112100117 is a prime.

It is a super-2 number, since 2×200112100117² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200112100117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200112100127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100056050058 + 100056050059.

It is an arithmetic number, because the mean of its divisors is an integer number (100056050059).

Almost surely, 2^200112100117 is an apocalyptic number.

It is an amenable number.

200112100117 is a deficient number, since it is larger than the sum of its proper divisors (1).

200112100117 is an equidigital number, since it uses as much as digits as its factorization.

200112100117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 200112100117 its reverse (711001211002), we get a palindrome (911113311119).

The spelling of 200112100117 in words is "two hundred billion, one hundred twelve million, one hundred thousand, one hundred seventeen".