200011121111177 has 2 divisors, whose sum is σ = 200011121111178. Its totient is φ = 200011121111176.

The previous prime is 200011121111173. The next prime is 200011121111233. The reversal of 200011121111177 is 771111121110002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183162361995001 + 16848759116176 = 13533749^2 + 4104724^2 .

It is a cyclic number.

It is not a de Polignac number, because 200011121111177 - 2² = 200011121111173 is a prime.

It is a super-2 number, since 2×200011121111177² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200011121111173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100005560555588 + 100005560555589.

It is an arithmetic number, because the mean of its divisors is an integer number (100005560555589).

Almost surely, 2^{200011121111177} is an apocalyptic number.

It is an amenable number.

200011121111177 is a deficient number, since it is larger than the sum of its proper divisors (1).

200011121111177 is an equidigital number, since it uses as much as digits as its factorization.

200011121111177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 26.

Adding to 200011121111177 its reverse (771111121110002), we get a palindrome (971122242221179).

The spelling of 200011121111177 in words is "two hundred trillion, eleven billion, one hundred twenty-one million, one hundred eleven thousand, one hundred seventy-seven".