211112201099077 has 2 divisors, whose sum is σ = 211112201099078. Its totient is φ = 211112201099076.

The previous prime is 211112201099069. The next prime is 211112201099141. The reversal of 211112201099077 is 770990102211112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121709238260481 + 89402962838596 = 11032191^2 + 9455314^2 .

It is a cyclic number.

It is not a de Polignac number, because 211112201099077 - 2³ = 211112201099069 is a prime.

It is a super-2 number, since 2×211112201099077² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211112201099047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556100549538 + 105556100549539.

It is an arithmetic number, because the mean of its divisors is an integer number (105556100549539).

Almost surely, 2^{211112201099077} is an apocalyptic number.

It is an amenable number.

211112201099077 is a deficient number, since it is larger than the sum of its proper divisors (1).

211112201099077 is an equidigital number, since it uses as much as digits as its factorization.

211112201099077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 43.

The spelling of 211112201099077 in words is "two hundred eleven trillion, one hundred twelve billion, two hundred one million, ninety-nine thousand, seventy-seven".