2211111309999 has 8 divisors (see below), whose sum is σ = 2955927170560. Its totient is φ = 1470184828056.

The previous prime is 2211111309997. The next prime is 2211111310049. The reversal of 2211111309999 is 9999031111122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2211111309999 - 2¹ = 2211111309997 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 (2211111309997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972343327 + ... + 972345600.

It is an arithmetic number, because the mean of its divisors is an integer number (369490896320).

Almost surely, 2^{2211111309999} is an apocalyptic number.

2211111309999 is a deficient number, since it is larger than the sum of its proper divisors (744815860561).

2211111309999 is a wasteful number, since it uses less digits than its factorization.

2211111309999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944689309.

The product of its (nonzero) digits is 78732, while the sum is 48.

The spelling of 2211111309999 in words is "two trillion, two hundred eleven billion, one hundred eleven million, three hundred nine thousand, nine hundred ninety-nine".