2111083330891 has 2 divisors, whose sum is σ = 2111083330892. Its totient is φ = 2111083330890.

The previous prime is 2111083330849. The next prime is 2111083330903. The reversal of 2111083330891 is 1980333801112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111083330891 - 2¹¹ = 2111083328843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111083339891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055541665445 + 1055541665446.

It is an arithmetic number, because the mean of its divisors is an integer number (1055541665446).

Almost surely, 2^{2111083330891} is an apocalyptic number.

2111083330891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111083330891 is an equidigital number, since it uses as much as digits as its factorization.

2111083330891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 2111083330891 in words is "two trillion, one hundred eleven billion, eighty-three million, three hundred thirty thousand, eight hundred ninety-one".