11211222210 has 16 divisors (see below), whose sum is σ = 26906933376. Its totient is φ = 2989659248.

The previous prime is 11211222181. The next prime is 11211222223. The reversal of 11211222210 is 1222211211.

11211222210 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 11211222210.

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 7 ways as a sum of consecutive naturals, for example, 186853674 + ... + 186853733.

It is an arithmetic number, because the mean of its divisors is an integer number (1681683336).

Almost surely, 2^11211222210 is an apocalyptic number.

11211222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211222210 is an abundant number, since it is smaller than the sum of its proper divisors (15695711166).

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

11211222210 is a wasteful number, since it uses less digits than its factorization.

11211222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373707417.

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

Adding to 11211222210 its reverse (1222211211), we get a palindrome (12433433421).

The spelling of 11211222210 in words is "eleven billion, two hundred eleven million, two hundred twenty-two thousand, two hundred ten".