11222112222210 has 64 divisors (see below), whose sum is σ = 27672555802752. Its totient is φ = 2910465732096.

The previous prime is 11222112222193. The next prime is 11222112222257. The reversal of 11222112222210 is 1222221122211.

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 31 ways as a sum of consecutive naturals, for example, 543817 + ... + 4768643.

It is an arithmetic number, because the mean of its divisors is an integer number (432383684418).

Almost surely, 2^{11222112222210} is an apocalyptic number.

11222112222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222112222210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13836277901376).

11222112222210 is an abundant number, since it is smaller than the sum of its proper divisors (16450443580542).

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

11222112222210 is a wasteful number, since it uses less digits than its factorization.

11222112222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227267.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11222112222210 its reverse (1222221122211), we get a palindrome (12444333344421).

The spelling of 11222112222210 in words is "eleven trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, two hundred ten".