11112100220 has 48 divisors (see below), whose sum is σ = 26453108640. Its totient is φ = 3886983936.

The previous prime is 11112100171. The next prime is 11112100243. The reversal of 11112100220 is 2200121111.

11112100220 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 15 ways as a sum of consecutive naturals, for example, 1119767 + ... + 1129646.

It is an arithmetic number, because the mean of its divisors is an integer number (551106430).

Almost surely, 2^11112100220 is an apocalyptic number.

11112100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112100220 is an abundant number, since it is smaller than the sum of its proper divisors (15341008420).

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

11112100220 is a wasteful number, since it uses less digits than its factorization.

11112100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249454 (or 2249452 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11112100220 its reverse (2200121111), we get a palindrome (13312221331).

The spelling of 11112100220 in words is "eleven billion, one hundred twelve million, one hundred thousand, two hundred twenty".