11210001222 has 64 divisors (see below), whose sum is σ = 26362344960. Its totient is φ = 3110731776.

The previous prime is 11210001199. The next prime is 11210001367. The reversal of 11210001222 is 22210001211.

It is a junction number, because it is equal to n+sod(n) for n = 11210001198 and 11210001207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 906054 + ... + 918342.

It is an arithmetic number, because the mean of its divisors is an integer number (411911640).

Almost surely, 2^11210001222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11210001222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13181172480).

11210001222 is an abundant number, since it is smaller than the sum of its proper divisors (15152343738).

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

11210001222 is a wasteful number, since it uses less digits than its factorization.

11210001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12925.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11210001222 its reverse (22210001211), we get a palindrome (33420002433).

The spelling of 11210001222 in words is "eleven billion, two hundred ten million, one thousand, two hundred twenty-two".