2211311012999 has 4 divisors (see below), whose sum is σ = 2412339286920. Its totient is φ = 2010282739080.

The previous prime is 2211311012969. The next prime is 2211311013029. The reversal of 2211311012999 is 9992101131122.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2211311012969) and next prime (2211311013029).

It is a de Polignac number, because none of the positive numbers 2^k-2211311012999 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 (2211311012969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100514136944 + ... + 100514136965.

It is an arithmetic number, because the mean of its divisors is an integer number (603084821730).

Almost surely, 2^{2211311012999} is an apocalyptic number.

2211311012999 is a deficient number, since it is larger than the sum of its proper divisors (201028273921).

2211311012999 is a wasteful number, since it uses less digits than its factorization.

2211311012999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201028273920.

The product of its (nonzero) digits is 17496, while the sum is 41.

The spelling of 2211311012999 in words is "two trillion, two hundred eleven billion, three hundred eleven million, twelve thousand, nine hundred ninety-nine".