11221122210 has 16 divisors (see below), whose sum is σ = 26930693376. Its totient is φ = 2992299248.

The previous prime is 11221122191. The next prime is 11221122223. The reversal of 11221122210 is 1222112211.

11221122210 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 11221122210.

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, 187018674 + ... + 187018733.

It is an arithmetic number, because the mean of its divisors is an integer number (1683168336).

Almost surely, 2^11221122210 is an apocalyptic number.

11221122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221122210 is an abundant number, since it is smaller than the sum of its proper divisors (15709571166).

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

11221122210 is a wasteful number, since it uses less digits than its factorization.

11221122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374037417.

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

Adding to 11221122210 its reverse (1222112211), we get a palindrome (12443234421).

Subtracting from 11221122210 its reverse (1222112211), we obtain a palindrome (9999009999).

It can be divided in two parts, 112211 and 22210, that added together give a triangular number (134421 = T₅₁₈).

The spelling of 11221122210 in words is "eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".