211210111122103 has 2 divisors, whose sum is σ = 211210111122104. Its totient is φ = 211210111122102.

The previous prime is 211210111122029. The next prime is 211210111122119. The reversal of 211210111122103 is 301221111012112.

211210111122103 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 a de Polignac number, because none of the positive numbers 2^k-211210111122103 is a prime.

It is a super-2 number, since 2×211210111122103² (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 (211210111122173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605055561051 + 105605055561052.

It is an arithmetic number, because the mean of its divisors is an integer number (105605055561052).

Almost surely, 2^{211210111122103} is an apocalyptic number.

211210111122103 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210111122103 is an equidigital number, since it uses as much as digits as its factorization.

211210111122103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 211210111122103 its reverse (301221111012112), we get a palindrome (512431222134215).

The spelling of 211210111122103 in words is "two hundred eleven trillion, two hundred ten billion, one hundred eleven million, one hundred twenty-two thousand, one hundred three".