11120010012 has 72 divisors (see below), whose sum is σ = 30454600176. Its totient is φ = 3407491584.

The previous prime is 11120009987. The next prime is 11120010023. The reversal of 11120010012 is 21001002111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11120009976 and 11120010003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184963 + ... + 237594.

It is an arithmetic number, because the mean of its divisors is an integer number (422980558).

Almost surely, 2^11120010012 is an apocalyptic number.

11120010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11120010012 is an abundant number, since it is smaller than the sum of its proper divisors (19334590164).

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

11120010012 is a wasteful number, since it uses less digits than its factorization.

11120010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422627 (or 422622 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11120010012 its reverse (21001002111), we get a palindrome (32121012123).

The spelling of 11120010012 in words is "eleven billion, one hundred twenty million, ten thousand, twelve".