211000100111 has 8 divisors (see below), whose sum is σ = 212285162880. Its totient is φ = 209716218712.

The previous prime is 211000100027. The next prime is 211000100147. The reversal of 211000100111 is 111001000112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211000100111 - 2¹⁸ = 210999837967 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 (211000100411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64286 + ... + 652788.

It is an arithmetic number, because the mean of its divisors is an integer number (26535645360).

Almost surely, 2^211000100111 is an apocalyptic number.

211000100111 is a deficient number, since it is larger than the sum of its proper divisors (1285062769).

211000100111 is a wasteful number, since it uses less digits than its factorization.

211000100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590685.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 211000100111 its reverse (111001000112), we get a palindrome (322001100223).

Subtracting from 211000100111 its reverse (111001000112), we obtain a palindrome (99999099999).

The spelling of 211000100111 in words is "two hundred eleven billion, one hundred thousand, one hundred eleven".