11211220110 has 16 divisors (see below), whose sum is σ = 26906928336. Its totient is φ = 2989658688.

The previous prime is 11211220109. The next prime is 11211220147. The reversal of 11211220110 is 1102211211.

11211220110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 186853639 + ... + 186853698.

It is an arithmetic number, because the mean of its divisors is an integer number (1681683021).

Almost surely, 2^11211220110 is an apocalyptic number.

11211220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211220110 is an abundant number, since it is smaller than the sum of its proper divisors (15695708226).

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

11211220110 is a wasteful number, since it uses less digits than its factorization.

11211220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373707347.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11211220110 its reverse (1102211211), we get a palindrome (12313431321).

The spelling of 11211220110 in words is "eleven billion, two hundred eleven million, two hundred twenty thousand, one hundred ten".