10211111222 has 24 divisors (see below), whose sum is σ = 16650955776. Its totient is φ = 4668639408.

The previous prime is 10211111191. The next prime is 10211111227. The reversal of 10211111222 is 22211111201.

10211111222 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10211111197 and 10211111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211111227) 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 11 ways as a sum of consecutive naturals, for example, 280523 + ... + 314825.

It is an arithmetic number, because the mean of its divisors is an integer number (693789824).

Almost surely, 2^10211111222 is an apocalyptic number.

10211111222 is a deficient number, since it is larger than the sum of its proper divisors (6439844554).

10211111222 is a wasteful number, since it uses less digits than its factorization.

10211111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34532 (or 34425 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10211111222 its reverse (22211111201), we get a palindrome (32422222423).

The spelling of 10211111222 in words is "ten billion, two hundred eleven million, one hundred eleven thousand, two hundred twenty-two".