211210180123 has 2 divisors, whose sum is σ = 211210180124. Its totient is φ = 211210180122.

The previous prime is 211210180037. The next prime is 211210180157. The reversal of 211210180123 is 321081012112.

211210180123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211210180123 - 2²⁵ = 211176625691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211210180094 and 211210180103.

It is not a weakly prime, because it can be changed into another prime (211210180163) 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, 105605090061 + 105605090062.

It is an arithmetic number, because the mean of its divisors is an integer number (105605090062).

Almost surely, 2^211210180123 is an apocalyptic number.

211210180123 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210180123 is an equidigital number, since it uses as much as digits as its factorization.

211210180123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 211210180123 its reverse (321081012112), we get a palindrome (532291192235).

The spelling of 211210180123 in words is "two hundred eleven billion, two hundred ten million, one hundred eighty thousand, one hundred twenty-three".