11122111221112 has 32 divisors (see below), whose sum is σ = 22096814994720. Its totient is φ = 5230105830400.

The previous prime is 11122111221103. The next prime is 11122111221157. The reversal of 11122111221112 is 21112211122111.

11122111221112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11122111221112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29726389 + ... + 30098212.

It is an arithmetic number, because the mean of its divisors is an integer number (690525468585).

Almost surely, 2^{11122111221112} is an apocalyptic number.

It is an amenable number.

11122111221112 is a deficient number, since it is larger than the sum of its proper divisors (10974703773608).

11122111221112 is a wasteful number, since it uses less digits than its factorization.

11122111221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59825991 (or 59825987 counting only the distinct ones).

The product of its digits is 32, while the sum is 19.

Adding to 11122111221112 its reverse (21112211122111), we get a palindrome (32234322343223).

Subtracting 11122111221112 from its reverse (21112211122111), we obtain a palindrome (9990099900999).

It can be divided in two parts, 1112211122111 and 2, that multiplied together give a palindrome (2224422244222).

The spelling of 11122111221112 in words is "eleven trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twelve".