11222211210 has 64 divisors (see below), whose sum is σ = 30872454912. Its totient is φ = 2557449216.

The previous prime is 11222211199. The next prime is 11222211239. The reversal of 11222211210 is 1211222211.

11222211210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11222211210.

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, 8517 + ... + 150056.

It is an arithmetic number, because the mean of its divisors is an integer number (482382108).

Almost surely, 2^11222211210 is an apocalyptic number.

11222211210 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 11222211210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15436227456).

11222211210 is an abundant number, since it is smaller than the sum of its proper divisors (19650243702).

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

11222211210 is a wasteful number, since it uses less digits than its factorization.

11222211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158927.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11222211210 its reverse (1211222211), we get a palindrome (12433433421).

The spelling of 11222211210 in words is "eleven billion, two hundred twenty-two million, two hundred eleven thousand, two hundred ten".