211101101120011 has 4 divisors (see below), whose sum is σ = 211111085585232. Its totient is φ = 211091116654792.

The previous prime is 211101101120009. The next prime is 211101101120017. The reversal of 211101101120011 is 110021101101112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211101101120011 - 2¹ = 211101101120009 is a prime.

It is a super-2 number, since 2×211101101120011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211101101119973 and 211101101120000.

It is not an unprimeable number, because it can be changed into a prime (211101101120017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4992200896 + ... + 4992243181.

It is an arithmetic number, because the mean of its divisors is an integer number (52777771396308).

Almost surely, 2^{211101101120011} is an apocalyptic number.

211101101120011 is a deficient number, since it is larger than the sum of its proper divisors (9984465221).

211101101120011 is an equidigital number, since it uses as much as digits as its factorization.

211101101120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984465220.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 211101101120011 its reverse (110021101101112), we get a palindrome (321122202221123).

The spelling of 211101101120011 in words is "two hundred eleven trillion, one hundred one billion, one hundred one million, one hundred twenty thousand, eleven".