211313014109 has 2 divisors, whose sum is σ = 211313014110. Its totient is φ = 211313014108.

The previous prime is 211313014007. The next prime is 211313014141. The reversal of 211313014109 is 901410313112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165204041209 + 46108972900 = 406453^2 + 214730^2 .

It is a cyclic number.

It is not a de Polignac number, because 211313014109 - 2⁸ = 211313013853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211313014909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105656507054 + 105656507055.

It is an arithmetic number, because the mean of its divisors is an integer number (105656507055).

Almost surely, 2^211313014109 is an apocalyptic number.

It is an amenable number.

211313014109 is a deficient number, since it is larger than the sum of its proper divisors (1).

211313014109 is an equidigital number, since it uses as much as digits as its factorization.

211313014109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 211313014109 in words is "two hundred eleven billion, three hundred thirteen million, fourteen thousand, one hundred nine".