211110212077 has 2 divisors, whose sum is σ = 211110212078. Its totient is φ = 211110212076.

The previous prime is 211110212069. The next prime is 211110212101. The reversal of 211110212077 is 770212011112.

211110212077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184963645476 + 26146566601 = 430074^2 + 161699^2 .

It is a cyclic number.

It is not a de Polignac number, because 211110212077 - 2³ = 211110212069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211110212057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105555106038 + 105555106039.

It is an arithmetic number, because the mean of its divisors is an integer number (105555106039).

Almost surely, 2^211110212077 is an apocalyptic number.

It is an amenable number.

211110212077 is a deficient number, since it is larger than the sum of its proper divisors (1).

211110212077 is an equidigital number, since it uses as much as digits as its factorization.

211110212077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 25.

Adding to 211110212077 its reverse (770212011112), we get a palindrome (981322223189).

The spelling of 211110212077 in words is "two hundred eleven billion, one hundred ten million, two hundred twelve thousand, seventy-seven".