211331331104 has 24 divisors (see below), whose sum is σ = 416072177388. Its totient is φ = 105662206720.

The previous prime is 211331331077. The next prime is 211331331109. The reversal of 211331331104 is 401133133112.

It can be written as a sum of positive squares in 2 ways, for example, as 203455123600 + 7876207504 = 451060^2 + 88748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211331331104.

It is not an unprimeable number, because it can be changed into a prime (211331331109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1088594 + ... + 1267950.

Almost surely, 2^211331331104 is an apocalyptic number.

It is an amenable number.

211331331104 is a deficient number, since it is larger than the sum of its proper divisors (204740846284).

211331331104 is a wasteful number, since it uses less digits than its factorization.

211331331104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216188 (or 216180 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 211331331104 its reverse (401133133112), we get a palindrome (612464464216).

The spelling of 211331331104 in words is "two hundred eleven billion, three hundred thirty-one million, three hundred thirty-one thousand, one hundred four".