11100120211212 has 12 divisors (see below), whose sum is σ = 25900280492856. Its totient is φ = 3700040070400.

The previous prime is 11100120211211. The next prime is 11100120211277. The reversal of 11100120211212 is 21211202100111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11100120211191 and 11100120211200.

It is not an unprimeable number, because it can be changed into a prime (11100120211211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462505008789 + ... + 462505008812.

It is an arithmetic number, because the mean of its divisors is an integer number (2158356707738).

Almost surely, 2^{11100120211212} is an apocalyptic number.

11100120211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11100120211212 is an abundant number, since it is smaller than the sum of its proper divisors (14800160281644).

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

11100120211212 is a wasteful number, since it uses less digits than its factorization.

11100120211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925010017608 (or 925010017606 counting only the distinct ones).

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

Adding to 11100120211212 its reverse (21211202100111), we get a palindrome (32311322311323).

The spelling of 11100120211212 in words is "eleven trillion, one hundred billion, one hundred twenty million, two hundred eleven thousand, two hundred twelve".