11012201222112 has 72 divisors (see below), whose sum is σ = 31316385993984. Its totient is φ = 3670682310144.

The previous prime is 11012201222111. The next prime is 11012201222129. The reversal of 11012201222112 is 21122210221011.

11012201222112 is a `hidden beast` number, since 110 + 1 + 220 + 1 + 222 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012201222111) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 24194913 + ... + 24645855.

It is an arithmetic number, because the mean of its divisors is an integer number (434949805472).

Almost surely, 2^{11012201222112} is an apocalyptic number.

11012201222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11012201222112 is an abundant number, since it is smaller than the sum of its proper divisors (20304184771872).

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

11012201222112 is a wasteful number, since it uses less digits than its factorization.

11012201222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535752 (or 535741 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11012201222112 its reverse (21122210221011), we get a palindrome (32134411443123).

The spelling of 11012201222112 in words is "eleven trillion, twelve billion, two hundred one million, two hundred twenty-two thousand, one hundred twelve".