201111213344 has 48 divisors (see below), whose sum is σ = 401450787360. Its totient is φ = 99156072960.

The previous prime is 201111213343. The next prime is 201111213353. The reversal of 201111213344 is 443312111102.

It is not an unprimeable number, because it can be changed into a prime (201111213343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16838927 + ... + 16850865.

It is an arithmetic number, because the mean of its divisors is an integer number (8363558070).

Almost surely, 2^201111213344 is an apocalyptic number.

It is an amenable number.

201111213344 is a deficient number, since it is larger than the sum of its proper divisors (200339574016).

201111213344 is a wasteful number, since it uses less digits than its factorization.

201111213344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19233 (or 19225 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 201111213344 its reverse (443312111102), we get a palindrome (644423324446).

The spelling of 201111213344 in words is "two hundred one billion, one hundred eleven million, two hundred thirteen thousand, three hundred forty-four".