2011330209943 has 2 divisors, whose sum is σ = 2011330209944. Its totient is φ = 2011330209942.

The previous prime is 2011330209913. The next prime is 2011330210067. The reversal of 2011330209943 is 3499020331102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011330209943 - 2³³ = 2002740275351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011330209913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005665104971 + 1005665104972.

It is an arithmetic number, because the mean of its divisors is an integer number (1005665104972).

Almost surely, 2^{2011330209943} is an apocalyptic number.

2011330209943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011330209943 is an equidigital number, since it uses as much as digits as its factorization.

2011330209943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 2011330209943 in words is "two trillion, eleven billion, three hundred thirty million, two hundred nine thousand, nine hundred forty-three".