211100000001994 has 8 divisors (see below), whose sum is σ = 319452212392740. Its totient is φ = 104615929204416.

The previous prime is 211100000001959. The next prime is 211100000002091. The reversal of 211100000001994 is 499100000001112.

It can be written as a sum of positive squares in 2 ways, for example, as 208681859930625 + 2418140071369 = 14445825^2 + 1555037^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467035398009 + ... + 467035398460.

Almost surely, 2^{211100000001994} is an apocalyptic number.

211100000001994 is a deficient number, since it is larger than the sum of its proper divisors (108352212390746).

211100000001994 is a wasteful number, since it uses less digits than its factorization.

211100000001994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934070796584.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 211100000001994 in words is "two hundred eleven trillion, one hundred billion, one thousand, nine hundred ninety-four".