211210101222103 has 2 divisors, whose sum is σ = 211210101222104. Its totient is φ = 211210101222102.

The previous prime is 211210101222073. The next prime is 211210101222161. The reversal of 211210101222103 is 301222101012112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211210101222103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211210101252103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605050611051 + 105605050611052.

It is an arithmetic number, because the mean of its divisors is an integer number (105605050611052).

Almost surely, 2^{211210101222103} is an apocalyptic number.

211210101222103 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210101222103 is an equidigital number, since it uses as much as digits as its factorization.

211210101222103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211210101222103 its reverse (301222101012112), we get a palindrome (512432202234215).

The spelling of 211210101222103 in words is "two hundred eleven trillion, two hundred ten billion, one hundred one million, two hundred twenty-two thousand, one hundred three".