210011111102011 has 4 divisors (see below), whose sum is σ = 210550985424000. Its totient is φ = 209471236780024.

The previous prime is 210011111101969. The next prime is 210011111102071. The reversal of 210011111102011 is 110201111110012.

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 210011111102011 - 2⁹ = 210011111101499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210011111101982 and 210011111102000.

It is not an unprimeable number, because it can be changed into a prime (210011111102071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269937160411 + ... + 269937161188.

It is an arithmetic number, because the mean of its divisors is an integer number (52637746356000).

Almost surely, 2^{210011111102011} is an apocalyptic number.

210011111102011 is a deficient number, since it is larger than the sum of its proper divisors (539874321989).

210011111102011 is an equidigital number, since it uses as much as digits as its factorization.

210011111102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539874321988.

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

Adding to 210011111102011 its reverse (110201111110012), we get a palindrome (320212222212023).

The spelling of 210011111102011 in words is "two hundred ten trillion, eleven billion, one hundred eleven million, one hundred two thousand, eleven".