211131002103 has 16 divisors (see below), whose sum is σ = 322073541120. Its totient is φ = 120514995936.

The previous prime is 211131002077. The next prime is 211131002111. The reversal of 211131002103 is 301200131112.

It is a happy number.

It is not a de Polignac number, because 211131002103 - 2⁶ = 211131002039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211131002153) 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, 5450700 + ... + 5489297.

It is an arithmetic number, because the mean of its divisors is an integer number (20129596320).

Almost surely, 2^211131002103 is an apocalyptic number.

211131002103 is a deficient number, since it is larger than the sum of its proper divisors (110942539017).

211131002103 is a wasteful number, since it uses less digits than its factorization.

211131002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10940926.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 211131002103 its reverse (301200131112), we get a palindrome (512331133215).

The spelling of 211131002103 in words is "two hundred eleven billion, one hundred thirty-one million, two thousand, one hundred three".