11120111212 has 12 divisors (see below), whose sum is σ = 22240222480. Its totient is φ = 4765761936.

The previous prime is 11120111173. The next prime is 11120111257. The reversal of 11120111212 is 21211102111.

It is a happy number.

11120111212 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11120111192 and 11120111201.

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, 198573387 + ... + 198573442.

Almost surely, 2^11120111212 is an apocalyptic number.

It is an amenable number.

11120111212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11120111212 is a wasteful number, since it uses less digits than its factorization.

11120111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397146840 (or 397146838 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11120111212 its reverse (21211102111), we get a palindrome (32331213323).

The spelling of 11120111212 in words is "eleven billion, one hundred twenty million, one hundred eleven thousand, two hundred twelve".