11001212201112 has 64 divisors (see below), whose sum is σ = 31442623027200. Its totient is φ = 3142144669440.

The previous prime is 11001212201071. The next prime is 11001212201137. The reversal of 11001212201112 is 21110221210011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11001212201091 and 11001212201100.

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, 10529064 + ... + 11526647.

It is an arithmetic number, because the mean of its divisors is an integer number (491290984800).

Almost surely, 2^{11001212201112} is an apocalyptic number.

11001212201112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11001212201112 is an abundant number, since it is smaller than the sum of its proper divisors (20441410826088).

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

11001212201112 is a wasteful number, since it uses less digits than its factorization.

11001212201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22058696 (or 22058692 counting only the distinct ones).

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

Adding to 11001212201112 its reverse (21110221210011), we get a palindrome (32111433411123).

The spelling of 11001212201112 in words is "eleven trillion, one billion, two hundred twelve million, two hundred one thousand, one hundred twelve".