11111011220112 has 20 divisors (see below), whose sum is σ = 28703445652080. Its totient is φ = 3703670406688.

The previous prime is 11111011220107. The next prime is 11111011220131. The reversal of 11111011220112 is 21102211011111.

11111011220112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11111011220091 and 11111011220100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115739700162 + ... + 115739700257.

It is an arithmetic number, because the mean of its divisors is an integer number (1435172282604).

Almost surely, 2^{11111011220112} is an apocalyptic number.

11111011220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11111011220112 is an abundant number, since it is smaller than the sum of its proper divisors (17592434431968).

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

11111011220112 is a wasteful number, since it uses less digits than its factorization.

11111011220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231479400430 (or 231479400424 counting only the distinct ones).

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

Adding to 11111011220112 its reverse (21102211011111), we get a palindrome (32213222231223).

The spelling of 11111011220112 in words is "eleven trillion, one hundred eleven billion, eleven million, two hundred twenty thousand, one hundred twelve".