211404431112 has 64 divisors (see below), whose sum is σ = 604118736000. Its totient is φ = 60390658560.

The previous prime is 211404431011. The next prime is 211404431153. The reversal of 211404431112 is 211134404112.

It is a happy number.

211404431112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 875062 + ... + 1090202.

It is an arithmetic number, because the mean of its divisors is an integer number (9439355250).

Almost surely, 2^211404431112 is an apocalyptic number.

It is an amenable number.

211404431112 is an abundant number, since it is smaller than the sum of its proper divisors (392714304888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211404431112 is a wasteful number, since it uses less digits than its factorization.

211404431112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221006 (or 221002 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 211404431112 its reverse (211134404112), we get a palindrome (422538835224).

The spelling of 211404431112 in words is "two hundred eleven billion, four hundred four million, four hundred thirty-one thousand, one hundred twelve".