11112201212120 has 32 divisors (see below), whose sum is σ = 25041458171520. Its totient is φ = 4437946183680.

The previous prime is 11112201212113. The next prime is 11112201212171. The reversal of 11112201212120 is 2121210221111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216670952 + ... + 216722231.

It is an arithmetic number, because the mean of its divisors is an integer number (782545567860).

Almost surely, 2^{11112201212120} is an apocalyptic number.

11112201212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112201212120 is an abundant number, since it is smaller than the sum of its proper divisors (13929256959400).

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

11112201212120 is a wasteful number, since it uses less digits than its factorization.

11112201212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433393835 (or 433393831 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11112201212120 its reverse (2121210221111), we get a palindrome (13233411433231).

The spelling of 11112201212120 in words is "eleven trillion, one hundred twelve billion, two hundred one million, two hundred twelve thousand, one hundred twenty".