211142341144 has 32 divisors (see below), whose sum is σ = 454441063680. Its totient is φ = 90090936864.

The previous prime is 211142341099. The next prime is 211142341213. The reversal of 211142341144 is 441143241112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8292132 + ... + 8317555.

It is an arithmetic number, because the mean of its divisors is an integer number (14201283240).

Almost surely, 2^211142341144 is an apocalyptic number.

It is an amenable number.

211142341144 is an abundant number, since it is smaller than the sum of its proper divisors (243298722536).

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

211142341144 is a wasteful number, since it uses less digits than its factorization.

211142341144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16609927 (or 16609923 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

Adding to 211142341144 its reverse (441143241112), we get a palindrome (652285582256).

The spelling of 211142341144 in words is "two hundred eleven billion, one hundred forty-two million, three hundred forty-one thousand, one hundred forty-four".