2111012002823 has 2 divisors, whose sum is σ = 2111012002824. Its totient is φ = 2111012002822.

The previous prime is 2111012002817. The next prime is 2111012002867. The reversal of 2111012002823 is 3282002101112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111012002823 - 2⁴ = 2111012002807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111012002223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055506001411 + 1055506001412.

It is an arithmetic number, because the mean of its divisors is an integer number (1055506001412).

Almost surely, 2^{2111012002823} is an apocalyptic number.

2111012002823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111012002823 is an equidigital number, since it uses as much as digits as its factorization.

2111012002823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 2111012002823 its reverse (3282002101112), we get a palindrome (5393014103935).

The spelling of 2111012002823 in words is "two trillion, one hundred eleven billion, twelve million, two thousand, eight hundred twenty-three".