211100123303 has 16 divisors (see below), whose sum is σ = 218519068416. Its totient is φ = 203841696960.

The previous prime is 211100123251. The next prime is 211100123309. The reversal of 211100123303 is 303321001112.

It is a cyclic number.

It is not a de Polignac number, because 211100123303 - 2⁶ = 211100123239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211100123309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664838 + ... + 929628.

It is an arithmetic number, because the mean of its divisors is an integer number (13657441776).

Almost surely, 2^211100123303 is an apocalyptic number.

211100123303 is a deficient number, since it is larger than the sum of its proper divisors (7418945113).

211100123303 is a wasteful number, since it uses less digits than its factorization.

211100123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265094.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 211100123303 its reverse (303321001112), we get a palindrome (514421124415).

The spelling of 211100123303 in words is "two hundred eleven billion, one hundred million, one hundred twenty-three thousand, three hundred three".