11120220312 has 64 divisors (see below), whose sum is σ = 28163815680. Its totient is φ = 3658545792.

The previous prime is 11120220311. The next prime is 11120220337. The reversal of 11120220312 is 21302202111.

It is a junction number, because it is equal to n+sod(n) for n = 11120220291 and 11120220300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120220311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751578 + ... + 766230.

It is an arithmetic number, because the mean of its divisors is an integer number (440059620).

Almost surely, 2^11120220312 is an apocalyptic number.

11120220312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11120220312 is an abundant number, since it is smaller than the sum of its proper divisors (17043595368).

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

11120220312 is a wasteful number, since it uses less digits than its factorization.

11120220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15072 (or 15068 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11120220312 its reverse (21302202111), we get a palindrome (32422422423).

The spelling of 11120220312 in words is "eleven billion, one hundred twenty million, two hundred twenty thousand, three hundred twelve".