11102120011212 has 24 divisors (see below), whose sum is σ = 25911912364800. Its totient is φ = 3699711574416.

The previous prime is 11102120011159. The next prime is 11102120011223. The reversal of 11102120011212 is 21211002120111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11102120011191 and 11102120011200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124340512 + ... + 124429767.

It is an arithmetic number, because the mean of its divisors is an integer number (1079663015200).

Almost surely, 2^{11102120011212} is an apocalyptic number.

11102120011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11102120011212 is an abundant number, since it is smaller than the sum of its proper divisors (14809792353588).

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

11102120011212 is a wasteful number, since it uses less digits than its factorization.

11102120011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248774005 (or 248774003 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11102120011212 its reverse (21211002120111), we get a palindrome (32313122131323).

The spelling of 11102120011212 in words is "eleven trillion, one hundred two billion, one hundred twenty million, eleven thousand, two hundred twelve".