211420230999 has 8 divisors (see below), whose sum is σ = 281960284032. Its totient is φ = 140913499320.

The previous prime is 211420230977. The next prime is 211420231013. The reversal of 211420230999 is 999032024112.

211420230999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 211420230999 - 2⁹ = 211420230487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211420230999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211420230599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8315529 + ... + 8340914.

It is an arithmetic number, because the mean of its divisors is an integer number (35245035504).

Almost surely, 2^211420230999 is an apocalyptic number.

211420230999 is a deficient number, since it is larger than the sum of its proper divisors (70540053033).

211420230999 is a wasteful number, since it uses less digits than its factorization.

211420230999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16660677.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 211420230999 in words is "two hundred eleven billion, four hundred twenty million, two hundred thirty thousand, nine hundred ninety-nine".