211130310111 has 24 divisors (see below), whose sum is σ = 327490797744. Its totient is φ = 120637278720.

The previous prime is 211130310067. The next prime is 211130310113. The reversal of 211130310111 is 111013031112.

It is not a de Polignac number, because 211130310111 - 2⁶ = 211130310047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211130310113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2418031 + ... + 2503823.

It is an arithmetic number, because the mean of its divisors is an integer number (13645449906).

Almost surely, 2^211130310111 is an apocalyptic number.

211130310111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

211130310111 is a deficient number, since it is larger than the sum of its proper divisors (116360487633).

211130310111 is a wasteful number, since it uses less digits than its factorization.

211130310111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102551 (or 102544 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 211130310111 its reverse (111013031112), we get a palindrome (322143341223).

The spelling of 211130310111 in words is "two hundred eleven billion, one hundred thirty million, three hundred ten thousand, one hundred eleven".