210100110111 has 6 divisors (see below), whose sum is σ = 303477936840. Its totient is φ = 140066740068.

The previous prime is 210100110091. The next prime is 210100110167. The reversal of 210100110111 is 111011001012.

It is not a de Polignac number, because 210100110111 - 2⁹ = 210100109599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 23344456679 = 210100110111 / (2 + 1 + 0 + 1 + 0 + 0 + 1 + 1 + 0 + 1 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 210100110093 and 210100110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100110191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11672228331 + ... + 11672228348.

It is an arithmetic number, because the mean of its divisors is an integer number (50579656140).

Almost surely, 2^210100110111 is an apocalyptic number.

210100110111 is a deficient number, since it is larger than the sum of its proper divisors (93377826729).

210100110111 is a wasteful number, since it uses less digits than its factorization.

210100110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23344456685 (or 23344456682 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 210100110111 its reverse (111011001012), we get a palindrome (321111111123).

It can be divided in two parts, 2101001 and 10111, that added together give a palindrome (2111112).

The spelling of 210100110111 in words is "two hundred ten billion, one hundred million, one hundred ten thousand, one hundred eleven".