2116823082011 has 4 divisors (see below), whose sum is σ = 2309261544024. Its totient is φ = 1924384620000.

The previous prime is 2116823082007. The next prime is 2116823082061. The reversal of 2116823082011 is 1102803286112.

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 2116823082011 - 2² = 2116823082007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116823082061) 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, 96219230990 + ... + 96219231011.

It is an arithmetic number, because the mean of its divisors is an integer number (577315386006).

Almost surely, 2^{2116823082011} is an apocalyptic number.

2116823082011 is a deficient number, since it is larger than the sum of its proper divisors (192438462013).

2116823082011 is a wasteful number, since it uses less digits than its factorization.

2116823082011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192438462012.

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 2116823082011 in words is "two trillion, one hundred sixteen billion, eight hundred twenty-three million, eighty-two thousand, eleven".