211110120011 has 16 divisors (see below), whose sum is σ = 242015948544. Its totient is φ = 180391329504.

The previous prime is 211110119989. The next prime is 211110120017. The reversal of 211110120011 is 110021011112.

It is a cyclic number.

It is not a de Polignac number, because 211110120011 - 2⁶ = 211110119947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211110119974 and 211110120001.

It is not an unprimeable number, because it can be changed into a prime (211110120017) 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, 21887756 + ... + 21897398.

It is an arithmetic number, because the mean of its divisors is an integer number (15125996784).

Almost surely, 2^211110120011 is an apocalyptic number.

211110120011 is a deficient number, since it is larger than the sum of its proper divisors (30905828533).

211110120011 is an equidigital number, since it uses as much as digits as its factorization.

211110120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19010.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 211110120011 its reverse (110021011112), we get a palindrome (321131131123).

The spelling of 211110120011 in words is "two hundred eleven billion, one hundred ten million, one hundred twenty thousand, eleven".