211012221224 has 16 divisors (see below), whose sum is σ = 452169045600. Its totient is φ = 90433809072.

The previous prime is 211012221191. The next prime is 211012221271. The reversal of 211012221224 is 422122210112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211012221196 and 211012221205.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1884037634 + ... + 1884037745.

It is an arithmetic number, because the mean of its divisors is an integer number (28260565350).

Almost surely, 2^211012221224 is an apocalyptic number.

It is an amenable number.

211012221224 is an abundant number, since it is smaller than the sum of its proper divisors (241156824376).

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

211012221224 is a wasteful number, since it uses less digits than its factorization.

211012221224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768075392 (or 3768075388 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211012221224 its reverse (422122210112), we get a palindrome (633134431336).

The spelling of 211012221224 in words is "two hundred eleven billion, twelve million, two hundred twenty-one thousand, two hundred twenty-four".