2011000999999 has 4 divisors (see below), whose sum is σ = 2011004999064. Its totient is φ = 2010997000936.

The previous prime is 2011000999963. The next prime is 2011001000003. The reversal of 2011000999999 is 9999990001102.

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 2011000999999 - 2⁹ = 2011000999487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011000699999) 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, 1114717 + ... + 2294470.

It is an arithmetic number, because the mean of its divisors is an integer number (502751249766).

Almost surely, 2^{2011000999999} is an apocalyptic number.

2011000999999 is a deficient number, since it is larger than the sum of its proper divisors (3999065).

2011000999999 is an equidigital number, since it uses as much as digits as its factorization.

2011000999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999064.

The product of its (nonzero) digits is 1062882, while the sum is 58.

The spelling of 2011000999999 in words is "two trillion, eleven billion, nine hundred ninety-nine thousand, nine hundred ninety-nine".