211331331103 has 16 divisors (see below), whose sum is σ = 229657881600. Its totient is φ = 193726736640.

The previous prime is 211331331077. The next prime is 211331331109. The reversal of 211331331103 is 301133133112.

It is a cyclic number.

It is not a de Polignac number, because 211331331103 - 2⁹ = 211331330591 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 (211331331109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6464463 + ... + 6497071.

It is an arithmetic number, because the mean of its divisors is an integer number (14353617600).

Almost surely, 2^211331331103 is an apocalyptic number.

211331331103 is a deficient number, since it is larger than the sum of its proper divisors (18326550497).

211331331103 is a wasteful number, since it uses less digits than its factorization.

211331331103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43662.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 211331331103 its reverse (301133133112), we get a palindrome (512464464215).

The spelling of 211331331103 in words is "two hundred eleven billion, three hundred thirty-one million, three hundred thirty-one thousand, one hundred three".