11222111222210 has 128 divisors (see below), whose sum is σ = 24554336163840. Its totient is φ = 3610917273600.

The previous prime is 11222111222191. The next prime is 11222111222237. The reversal of 11222111222210 is 1222211122211.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22306562 + ... + 22804098.

It is an arithmetic number, because the mean of its divisors is an integer number (191830751280).

Almost surely, 2^{11222111222210} is an apocalyptic number.

11222111222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222111222210 is an abundant number, since it is smaller than the sum of its proper divisors (13332224941630).

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

11222111222210 is a wasteful number, since it uses less digits than its factorization.

11222111222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497892.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11222111222210 its reverse (1222211122211), we get a palindrome (12444322344421).

Subtracting from 11222111222210 its reverse (1222211122211), we obtain a palindrome (9999900099999).

The spelling of 11222111222210 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred ten".