211100112011 has 2 divisors, whose sum is σ = 211100112012. Its totient is φ = 211100112010.

The previous prime is 211100112007. The next prime is 211100112029. The reversal of 211100112011 is 110211001112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211100112011 - 2² = 211100112007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211100111983 and 211100112001.

It is not a weakly prime, because it can be changed into another prime (211100112031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105550056005 + 105550056006.

It is an arithmetic number, because the mean of its divisors is an integer number (105550056006).

Almost surely, 2^211100112011 is an apocalyptic number.

211100112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

211100112011 is an equidigital number, since it uses as much as digits as its factorization.

211100112011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 211100112011 its reverse (110211001112), we get a palindrome (321311113123).

The spelling of 211100112011 in words is "two hundred eleven billion, one hundred million, one hundred twelve thousand, eleven".