10211122222 has 8 divisors (see below), whose sum is σ = 17504780976. Its totient is φ = 4376195232.

The previous prime is 10211122219. The next prime is 10211122309. The reversal of 10211122222 is 22222111201.

It is a happy number.

10211122222 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10211122196 and 10211122205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364682923 + ... + 364682950.

It is an arithmetic number, because the mean of its divisors is an integer number (2188097622).

Almost surely, 2^10211122222 is an apocalyptic number.

10211122222 is a deficient number, since it is larger than the sum of its proper divisors (7293658754).

10211122222 is an equidigital number, since it uses as much as digits as its factorization.

10211122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729365882.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10211122222 its reverse (22222111201), we get a palindrome (32433233423).

The spelling of 10211122222 in words is "ten billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twenty-two".