2112101001999 has 16 divisors (see below), whose sum is σ = 3139717845600. Its totient is φ = 1403261638848.

The previous prime is 2112101001991. The next prime is 2112101002003. The reversal of 2112101001999 is 9991001012112.

It is not a de Polignac number, because 2112101001999 - 2³ = 2112101001991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112101001991) 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 15 ways as a sum of consecutive naturals, for example, 133483494 + ... + 133499315.

It is an arithmetic number, because the mean of its divisors is an integer number (196232365350).

Almost surely, 2^{2112101001999} is an apocalyptic number.

2112101001999 is a deficient number, since it is larger than the sum of its proper divisors (1027616843601).

2112101001999 is a wasteful number, since it uses less digits than its factorization.

2112101001999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266983111 (or 266983105 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 36.

The spelling of 2112101001999 in words is "two trillion, one hundred twelve billion, one hundred one million, one thousand, nine hundred ninety-nine".