11012111201112 has 192 divisors, whose sum is σ = 32292253192320. Its totient is φ = 3120147620352.

The previous prime is 11012111201107. The next prime is 11012111201141. The reversal of 11012111201112 is 21110211121011.

It is a junction number, because it is equal to n+sod(n) for n = 11012111201091 and 11012111201100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87538563 + ... + 87664269.

It is an arithmetic number, because the mean of its divisors is an integer number (168188818710).

Almost surely, 2^{11012111201112} is an apocalyptic number.

11012111201112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11012111201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16146126596160).

11012111201112 is an abundant number, since it is smaller than the sum of its proper divisors (21280141991208).

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

11012111201112 is a wasteful number, since it uses less digits than its factorization.

11012111201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126350 (or 126339 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11012111201112 its reverse (21110211121011), we get a palindrome (32122322322123).

The spelling of 11012111201112 in words is "eleven trillion, twelve billion, one hundred eleven million, two hundred one thousand, one hundred twelve".