11001122112112 has 20 divisors (see below), whose sum is σ = 23252371737336. Its totient is φ = 5000510050880.

The previous prime is 11001122112089. The next prime is 11001122112143. The reversal of 11001122112112 is 21121122110011.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31253187643 + ... + 31253187994.

Almost surely, 2^{11001122112112} is an apocalyptic number.

It is an amenable number.

11001122112112 is an abundant number, since it is smaller than the sum of its proper divisors (12251249625224).

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

11001122112112 is a wasteful number, since it uses less digits than its factorization.

11001122112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62506375656 (or 62506375650 counting only the distinct ones).

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

Adding to 11001122112112 its reverse (21121122110011), we get a palindrome (32122244222123).

The spelling of 11001122112112 in words is "eleven trillion, one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twelve".