211123022103 has 48 divisors (see below), whose sum is σ = 362980590336. Its totient is φ = 120123725760.

The previous prime is 211123022087. The next prime is 211123022141. The reversal of 211123022103 is 301220321112.

211123022103 is a `hidden beast` number, since 211 + 1 + 230 + 221 + 0 + 3 = 666.

It is not a de Polignac number, because 211123022103 - 2⁴ = 211123022087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211123022153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129988 + ... + 662678.

It is an arithmetic number, because the mean of its divisors is an integer number (7562095632).

Almost surely, 2^211123022103 is an apocalyptic number.

211123022103 is a deficient number, since it is larger than the sum of its proper divisors (151857568233).

211123022103 is an equidigital number, since it uses as much as digits as its factorization.

211123022103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532946 (or 532934 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211123022103 its reverse (301220321112), we get a palindrome (512343343215).

The spelling of 211123022103 in words is "two hundred eleven billion, one hundred twenty-three million, twenty-two thousand, one hundred three".