211120200112177 has 2 divisors, whose sum is σ = 211120200112178. Its totient is φ = 211120200112176.

The previous prime is 211120200112127. The next prime is 211120200112247. The reversal of 211120200112177 is 771211002021112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202574844628641 + 8545355483536 = 14232879^2 + 2923244^2 .

It is a cyclic number.

It is not a de Polignac number, because 211120200112177 - 2²³ = 211120191723569 is a prime.

It is a super-2 number, since 2×211120200112177² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211120200112127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560100056088 + 105560100056089.

It is an arithmetic number, because the mean of its divisors is an integer number (105560100056089).

Almost surely, 2^{211120200112177} is an apocalyptic number.

It is an amenable number.

211120200112177 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120200112177 is an equidigital number, since it uses as much as digits as its factorization.

211120200112177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 28.

Adding to 211120200112177 its reverse (771211002021112), we get a palindrome (982331202133289).

The spelling of 211120200112177 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred million, one hundred twelve thousand, one hundred seventy-seven".