8211000000011 has 4 divisors (see below), whose sum is σ = 8214670543152. Its totient is φ = 8207329456872.

The previous prime is 8211000000001. The next prime is 8211000000029. The reversal of 8211000000011 is 1100000001128.

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 8211000000011 - 2⁴² = 3812953488907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8211000000001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835268215 + ... + 1835272688.

It is an arithmetic number, because the mean of its divisors is an integer number (2053667635788).

Almost surely, 2^{8211000000011} is an apocalyptic number.

8211000000011 is a deficient number, since it is larger than the sum of its proper divisors (3670543141).

8211000000011 is a wasteful number, since it uses less digits than its factorization.

8211000000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670543140.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 8211000000011 its reverse (1100000001128), we get a palindrome (9311000001139).

The spelling of 8211000000011 in words is "eight trillion, two hundred eleven billion, eleven", and thus it is an aban number.