2112101111999 has 8 divisors (see below), whose sum is σ = 2223492714240. Its totient is φ = 2000732348376.

The previous prime is 2112101111971. The next prime is 2112101112007. The reversal of 2112101111999 is 9991111012112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112101111999 - 2¹² = 2112101107903 is a prime.

It is a super-2 number, since 2×2112101111999² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112101161999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5519657 + ... + 5889890.

It is an arithmetic number, because the mean of its divisors is an integer number (277936589280).

Almost surely, 2^{2112101111999} is an apocalyptic number.

2112101111999 is a deficient number, since it is larger than the sum of its proper divisors (111391602241).

2112101111999 is a wasteful number, since it uses less digits than its factorization.

2112101111999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11419309.

The product of its (nonzero) digits is 2916, while the sum is 38.

The spelling of 2112101111999 in words is "two trillion, one hundred twelve billion, one hundred one million, one hundred eleven thousand, nine hundred ninety-nine".