11101210112 has 80 divisors (see below), whose sum is σ = 23221085184. Its totient is φ = 5295360000.

The previous prime is 11101210097. The next prime is 11101210139. The reversal of 11101210112 is 21101210111.

It is a junction number, because it is equal to n+sod(n) for n = 11101210093 and 11101210102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121987 + ... + 1131837.

Almost surely, 2^11101210112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11101210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11610542592).

11101210112 is an abundant number, since it is smaller than the sum of its proper divisors (12119875072).

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

11101210112 is an frugal number, since it uses more digits than its factorization.

11101210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971 (or 9955 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11101210112 its reverse (21101210111), we get a palindrome (32202420223).

Subtracting 11101210112 from its reverse (21101210111), we obtain a palindrome (9999999999).

The spelling of 11101210112 in words is "eleven billion, one hundred one million, two hundred ten thousand, one hundred twelve".