211020312044 has 24 divisors (see below), whose sum is σ = 391117805568. Its totient is φ = 99275846400.

The previous prime is 211020312037. The next prime is 211020312059. The reversal of 211020312044 is 440213020112.

211020312044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 189407 + ... + 676694.

It is an arithmetic number, because the mean of its divisors is an integer number (16296575232).

Almost surely, 2^211020312044 is an apocalyptic number.

It is an amenable number.

211020312044 is a deficient number, since it is larger than the sum of its proper divisors (180097493524).

211020312044 is a wasteful number, since it uses less digits than its factorization.

211020312044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869705 (or 869703 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211020312044 its reverse (440213020112), we get a palindrome (651233332156).

The spelling of 211020312044 in words is "two hundred eleven billion, twenty million, three hundred twelve thousand, forty-four".